#Number_informative_bases	number_features
1	102
2	1029
3	3255
4	5209
5	5594
6	4569
7	3599
8	3114
9	3189
10	2984
11	2557
12	1927
13	1319
14	844
15	468
16	255
17	108
18	61
19	20
20	4
21	1