RETROSPECTIVE RATING PLAN A1
MINIMUM PREMIUM RATIOS
BASIC PREMIUM RATIO = .058
LOSS CONVERSION FACTOR = .729
Effective January 1, 2006
Maximum
Premium
Ratio: | 1.05 | 1.10 | 1.15 | 1.20 | 1.25 | 1.30 | 1.35 | 1.40 | 1.45 | 1.50 | 1.60 | 1.70 | 1.80 | 2.00 |
Size
Group | | | | | | | | | | | | | | | |
| 63 | | .987 | .975 | .963 | .951 | .940 | .928 | .918 | .907 | .897 | .887 | .868 | .850 | .833 | .801 |
| 62 | | .987 | .974 | .961 | .949 | .938 | .926 | .915 | .904 | .894 | .884 | .864 | .845 | .828 | .795 |
| 61 | | .986 | .973 | .960 | .948 | .936 | .924 | .912 | .901 | .890 | .880 | .860 | .841 | .823 | .789 |
| 60 | | .986 | .972 | .959 | .946 | .933 | .921 | .909 | .898 | .887 | .876 | .855 | .836 | .817 | .783 |
| 59 | | .985 | .971 | .958 | .944 | .931 | .919 | .907 | .895 | .883 | .872 | .851 | .831 | .812 | .777 |
| 58 | | .985 | .970 | .956 | .943 | .929 | .917 | .904 | .892 | .880 | .869 | .847 | .826 | .807 | .771 |
| 57 | | .985 | .970 | .955 | .941 | .927 | .914 | .901 | .889 | .877 | .865 | .843 | .822 | .802 | .765 |
| 56 | | .984 | .969 | .954 | .939 | .925 | .912 | .899 | .886 | .874 | .862 | .839 | .818 | .797 | .760 |
| 55 | | .984 | .968 | .953 | .938 | .924 | .910 | .896 | .884 | .871 | .859 | .836 | .814 | .793 | .756 |
| 54 | | .983 | .967 | .951 | .936 | .922 | .908 | .894 | .881 | .868 | .856 | .832 | .810 | .790 | .752 |
| 53 | | .983 | .966 | .950 | .935 | .920 | .906 | .892 | .878 | .866 | .853 | .829 | .807 | .786 | .748 |
| 52 | | .982 | .965 | .949 | .933 | .918 | .904 | .890 | .876 | .863 | .850 | .826 | .804 | .783 | .744 |
| 51 | | .982 | .965 | .948 | .932 | .917 | .902 | .887 | .874 | .860 | .847 | .823 | .800 | .779 | .740 |
| 50 | | .982 | .964 | .947 | .930 | .915 | .899 | .885 | .871 | .857 | .844 | .819 | .796 | .775 | .735 |
| 49 | | .981 | .963 | .946 | .929 | .913 | .897 | .882 | .868 | .854 | .841 | .816 | .792 | .770 | .731 |
| 48 | | .981 | .962 | .945 | .927 | .911 | .895 | .880 | .866 | .852 | .838 | .812 | .789 | .767 | .727 |
| 47 | | .980 | .962 | .944 | .926 | .910 | .894 | .878 | .864 | .849 | .836 | .810 | .786 | .764 | .723 |
| 46 | | .980 | .961 | .943 | .925 | .909 | .893 | .877 | .863 | .848 | .835 | .809 | .785 | .763 | .723 |
| 45 | | .980 | .961 | .942 | .925 | .908 | .892 | .877 | .862 | .848 | .834 | .808 | .784 | .762 | .722 |
| 44 | | .980 | .960 | .942 | .924 | .907 | .891 | .876 | .861 | .847 | .833 | .808 | .784 | .762 | .722 |
| 43 | | .980 | .960 | .941 | .924 | .907 | .891 | .875 | .861 | .846 | .833 | .807 | .784 | .762 | .722 |
| 42 | | .979 | .959 | .940 | .922 | .905 | .888 | .872 | .857 | .843 | .829 | .803 | .779 | .757 | .717 |
| 41 | | .978 | .958 | .938 | .920 | .902 | .885 | .869 | .853 | .839 | .825 | .798 | .774 | .751 | .710 |
| 40 | | .978 | .957 | .937 | .918 | .899 | .882 | .866 | .850 | .835 | .820 | .793 | .768 | .745 | .704 |
| 39 | | .977 | .956 | .935 | .916 | .897 | .879 | .863 | .846 | .831 | .816 | .789 | .764 | .741 | .699 |
| 38 | | .977 | .955 | .934 | .914 | .895 | .877 | .860 | .843 | .828 | .813 | .785 | .760 | .736 | .694 |
| 37 | | .976 | .954 | .933 | .912 | .893 | .875 | .857 | .841 | .825 | .810 | .782 | .756 | .732 | .690 |
| 36 | | .976 | .953 | .932 | .911 | .891 | .873 | .855 | .838 | .822 | .807 | .779 | .753 | .729 | .686 |
| 35 | | .976 | .953 | .931 | .910 | .890 | .871 | .854 | .837 | .821 | .805 | .777 | .751 | .727 | .684 |
| 34 | | .975 | .952 | .930 | .909 | .889 | .870 | .852 | .835 | .819 | .804 | .775 | .749 | .725 | .683 |
| 33 | | .975 | .951 | .929 | .908 | .888 | .869 | .851 | .834 | .818 | .802 | .774 | .748 | .724 | .682 |
| 32 | | .975 | .951 | .929 | .907 | .887 | .868 | .850 | .833 | .817 | .802 | .773 | .747 | .724 | .682 |
| 31 | | .975 | .951 | .928 | .907 | .886 | .867 | .849 | .832 | .816 | .801 | .773 | .747 | .724 | .682 |
| 30 | | .974 | .950 | .927 | .906 | .886 | .867 | .849 | .832 | .816 | .801 | .773 | .747 | .724 | .682 |
| 29 | | .974 | .950 | .927 | .906 | .886 | .867 | .849 | .832 | .816 | .801 | .773 | .747 | .724 | .682 |
| 28 | | .974 | .949 | .926 | .904 | .883 | .864 | .846 | .828 | .812 | .797 | .769 | .744 | .721 | .682 |
| 27 | | .973 | .947 | .922 | .899 | .877 | .857 | .837 | .819 | .802 | .785 | .754 | .727 | .701 | .657 |
| 26 | | .972 | .945 | .919 | .895 | .872 | .851 | .830 | .811 | .792 | .775 | .742 | .712 | .685 | .636 |
| 25 | | .971 | .943 | .917 | .892 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 24 | | .971 | .943 | .917 | .892 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 23 | | .971 | .943 | .917 | .892 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 22 | | .971 | .943 | .917 | .892 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 21 | | .971 | .943 | .917 | .892 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 20 | | .971 | .943 | .917 | .892 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 19 | | .970 | .941 | .915 | .891 | .868 | .846 | .824 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 18 | | .969 | .940 | .912 | .887 | .864 | .843 | .823 | .804 | .785 | .766 | .732 | .701 | .672 | .620 |
| 17 | | .968 | .938 | .911 | .885 | .862 | .840 | .820 | .801 | .784 | .766 | .732 | .701 | .672 | .620 |
| 16 | | .968 | .937 | .910 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 15 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 14 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 13 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 12 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 11 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 10 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 9 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 8 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 7 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 6 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 5 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
| 4 | | .967 | .937 | .909 | .884 | .860 | .838 | .818 | .800 | .783 | .766 | .732 | .701 | .672 | .620 |
[Statutory Authority: RCW 51.04.020, 51.16.035, and 51.32.073. 05-23-162, § 296-17-90494, filed 11/22/05, effective 1/1/06. Statutory Authority: RCW 51.04.020, 51.16.035, 51.32.073, and 51.18.010. 03-24-066, § 296-17-90494, filed 12/1/03, effective 1/1/04. Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010, and 51.04.020(1). 02-24-029, § 296-17-90494, filed 11/27/02, effective 1/1/03. Statutory Authority: RCW 51.04.020, 51.16.035, 51.32.073, 51.18.010. 01-23-061, § 296-17-90494, filed 11/20/01, effective 1/1/02; 00-23-101, § 296-17-90494, filed 11/21/00, effective 1/1/01. Statutory Authority: RCW 51.18.010. 00-11-060, § 296-17-90494, filed 5/12/00, effective 7/1/00.]