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