How many communist countries are there?
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
5
2
4
3
5
2
6
4
3
1
5
2
6
4
3
1
5
2
6
4
3
1
5
2
6
7
4
3
1
5
2
6
7
4
3
1
5
2
6
7
4
3
1
5
2
6
7
4
3
1
5
2
8
6
7
4
3
1
5
2
8
6
7
4
3
1
5
2
8
6
7
4
3
1
5
2
8
11
6
7
9
4
3
1
5
2
8
11
6
7
13
9
4
3
1
5
2
8
11
6
30
7
13
9
28
1
2
8
11
6
30
10
7
13
9
28
1
2
8
11
6
30
10
7
13
25
0
9
28
12
1
2
8
11
6
30
10
7
13
25
9
28
12
1
0
2
14
8
66
11
6
30
10
7
13
25
9
28
12
1
24
2
27
14
0
8
11
6
30
10
7
13
25
66
9
28
66
63
62
77