Rate	Years Since 1950
11.506	30
14.029	31
10.686	32
8.630	33
9.580	34
7.480	35
5.980	36
5.820	37
6.690	38
8.120	39
7.510	40
5.420	41
3.450	42
3.020	43
4.290	44
5.510	45
5.020	46
5.070	47
4.810	48
4.660	49
5.850	50
3.450	51
1.620	52
1.020	53
1.380	54
3.160	55