How many countries have landed spacecraft on the moon?
3
1
3
1
3
1
3
1
5
3
2
1
4
5
3
2
1
4
5
3
2
1
4
5
3
2
1
4
5
6
3
2
1
4
5
6
3
2
1
4
5
6
3
2
1
4
5
7
6
3
2
1
4
5
0
7
6
3
2
1
4
5
7
6
3
2
1
4
5
7
6
3
2
1
4
5
7
6
3
2
1
4
5
7
6
3
2
1
4
5
8
7
6
3
2
1
4
5
8
7
6
3
2
1
4
5
8
7
9
6
3
2
11
1
4
5
8
7
9
6
3
2
11
4
5
8
7
9
6
2
11
13
12
4
5
8
10
7
9
6
2
11
13
12
4
5
8
10
7
9
6
2
11
13
12
4
8
10
7
9
6
11
13
12
8
10
7
9
6
11
13
12
8
10
7
9
6
11
13
12
14
8
10
7
9
6
11
13
12
16
14
8
10
7
62
66
63
ONE
61
112
69