How many astronauts have walked on the moon as of 2020?
12
3
3
3
3
3
3
3
3
3
3
0
7
12
3
13
0
9
7
12
3
13
5
11
9
7
12
3
0
13
4
5
11
9
8
7
12
3
6
13
4
5
0
11
9
8
7
12
3
6
13
14
4
5
11
0
9
8
7
12
3
6
13
14
4
5
11
2
9
8
7
12
3
0
6
13
14
4
5
11
2
9
8
7
12
3
6
13
14
4
5
0
11
2
9
8
7
12
3
6
13
14
4
5
11
2
9
8
7
12
3
6
13
14
4
5
11
2
9
8
7
12
6
13
10
14
4
5
69
11
369
2
9
8
7
12
6
13
10
14
4
5
11
2
9
8
7
12
6
13
10
14
4
5
11
2
9
8
7
12
6
13
10
14
4
5
11
2
69
369
9
8
7
12
6
13
10
14
4
5
11
2
1
9
8
7
12
6
13
10
14
4
5
11
2
69
1
369
9
8
7