#Number_informative_bases	number_features
0	33131
1	45292
2	52302
3	44629
4	29592
5	15257
6	6264
7	1809
8	855
9	4488
10	15444
11	30590
12	38111
13	35049
14	30423
15	26887
16	22249
17	14348
18	7679
19	3322
20	2347