period,rate
1,0
2,0.07
3,0.05
4,0.08
5,0.08
6,0.07
7,0.1
8,0.13
9,0.14
10,0.16
11,0.16
12,0.19
13,0.19
14,0.08
15,0.08
16,0.11
17,0.12
18,0.02
19,0.19
20,0.04
21,0.15
22,0.18
23,0.11
24,0.25
25,0.06
26,0.03
27,0.2
28,0.2
29,0.1
30,0.05