0
nature
0
0
1
4
0
6
2
1
7
5
1
4
1
5
1
1
2
1
2
4
1
1
1
0
1
0
1
0
2
0
3
1
1
2
2
3
1
2
1
1
0
2
2
2
3
2
2
2
3
