2
middle-aged
1
0
2
1
1
1
0
0
3
3
1
1
2
3
2
3
2
4
3
1
4
2
7
1
1
5
5
2
1
1
2
2
1
5
1
1
0
1
2
1
3
1
2
0
3
2
3
7
3
