How many US presidents have been impeached?
3
1
1
1
1
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
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
0
5
1
4
2
3
0
5
1
4
2
3
5
4
2
3
0
5
4
2
3
0
5
4
2
3
0
5
4
2
3
6
5
4
3
6
5
4
3
6
5
4
3
6
7
5
4
3
6
7
5
4
6
7
5
4
6
7
8
5
4
6
7
8
5
6
7
8
9
5
6
7
8
9
11
6
7
8
9
11
6
7
8
9
11
6
7
8
9
11
10
6
7
8
9
11
10
6
7
8
13
9
11
10
6
7
8
13
9
11
10
6
7
8
13
9
11
12
10
6
7
8
13
9
11
12
10
6
7
8
13
9
11
12
10
6
14
7
8
128
128
128
112
62
66
128