Rate	Years Since 1950
1.218	0
1.552	1
1.766	2
1.931	3
0.953	4
1.753	5
2.658	6
3.267	7
1.839	8
3.405	9
2.928	10
2.378	11
2.778	12
3.157	13
3.549	14
3.954	15
4.881	16
4.321	17
5.339	18
6.677	19
6.458	20
4.348	21
4.071	22
7.041	23
7.886	24
5.838	25
4.989	26
5.265	27
7.221	28
10.041	29
11.506	30