#Number_informative_bases	number_features
0	12880
1	18752
2	22046
3	18605
4	12284
5	6707
6	3776
7	4879
8	9317
9	14796
10	19833
11	16371
12	12413
13	7859
14	4917
15	2753
16	1249
17	472
18	138
19	29