How many American presidents have been impeached?
3
2
2
2
4
2
4
2
4
2
3
4
2
3
4
2
3
4
2
3
1
4
2
3
1
4
2
3
5
1
4
2
3
5
1
4
2
3
5
1
4
2
3
5
1
4
2
3
5
1
4
2
3
5
1
0
7
4
2
3
5
1
7
4
0
2
6
3
5
1
7
4
2
6
0
3
5
1
7
4
2
6
3
5
1
0
7
4
6
3
5
1
7
4
0
6
3
5
1
7
4
6
0
3
5
1
7
6
3
5
1
7
6
3
5
1
7
8
6
5
11
1
9
7
8
13
6
5
11
1
9
7
8
13
6
5
11
1
9
7
8
13
6
5
11
9
7
8
13
6
5
11
9
7
8
13
10
6
11
9
7
8
13
10
6
11
9
7
8
13
10
6
11
9
7
8
13
10
12
6
11
9
7
8
13
10
12
6
11
9
7
8
13
10
12
6
11
9
8
13
213