#Number_informative_bases	number_features
0	15638
1	20517
2	21969
3	17159
4	10743
5	5898
6	3914
7	5849
8	10571
9	15412
10	19360
11	15430
12	11390
13	7205
14	4577
15	2616
16	1198
17	463
18	138
19	29