How many Mario Kart games sold at least 20 million copies?
3
2
2
2
2
3
2
1
3
2
1
3
2
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
0
1
3
2
5
4
0
1
3
2
5
4
1
3
2
0
5
4
1
3
2
5
4
0
1
3
2
5
4
0
1
3
2
5
7
4
1
3
2
5
6
7
4
1
3
2
5
6
7
4
1
3
2
5
6
7
4
8
1
3
5
6
7
4
8
1
3
5
6
7
4
8
1
3
5
6
7
4
9
8
1
3
5
6
7
4
9
10
8
1
5
6
7
4
9
10
8
5
6
7
4
9
10
8
5
6
7
4
9
10
8
6
7
9
10
8
6
7
9
10
8
6
7
9
10
5 million
8
11
6
7
9
2 million
10
8
11
6
7
9
10
1,000,000
8
11
6
7
9
10
8
11
1 million
6
7
9
10
5 million
8
11
6
7
1,000,000
9
2 million
13
10
12
12
1,000,000
1 million
12