0
nature
0
0
0
0
1
0
0
1
0
0
1
0
0
0
1
0
0
4
1
2
1
0
0
1
0
0
0
2
3
1
0
0
4
4
2
2
1
1
0
2
9
3
2
1
0
0
1
0
2
