1
3
2
2
2
2
1
1
3
2
1
1
5
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
11
3
2
2
16
2
1
1
17
2
1
1
18
2
1
1
20
2
1
1
21
1
0
0
