subject_id	before	after
1	2	0
2	4	1
3	1	1
4	4	1
5	1	0
6	5	0
7	1	1
8	0	3
9	0	1
10	3	0
11	1	4
12	2	0
13	3	0
14	2	2
15	2	0
16	3	1
17	3	3
18	4	2
19	6	0
20	3	3
21	0	2
22	3	1
23	3	1
24	2	0
25	3	2
26	0	1
27	3	0
28	2	0
29	2	1
30	1	4
31	5	0
32	2	3
33	0	0
34	3	0
35	2	0
36	2	1
37	0	2
38	3	4
39	3	1
40	2	4
41	4	2
42	0	4
43	3	2
44	3	1
45	3	0
46	3	1
47	1	4
48	1	2
49	3	0
50	3	3
51	2	12
52	5	1
53	1	4
54	1	2
55	1	2
56	0	1
57	3	3
58	0	0
59	3	0
60	3	1
61	1	2
62	2	0
63	3	0
64	4	2
65	2	2
66	2	2
67	3	1
68	3	0
69	1	4
70	2	0
71	3	1
72	3	0
73	4	1
74	2	0
75	0	0
76	1	0
77	2	0
78	3	0
79	0	3
80	3	0