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