How many US presidents resigned from office?
1
2
2
2
2
2
3
2
3
2
3
2
3
4
2
1
3
4
2
1
3
4
2
1
3
4
2
1
3
4
2
1
3
4
2
1
5
3
4
2
1
5
3
4
2
1
5
3
4
2
1
5
3
4
2
1
5
3
4
2
1
5
3
4
2
1
5
3
4
0
1
5
3
4
7
1
0
5
3
4
7
1
5
0
3
4
7
1
5
3
4
7
0
1
5
4
7
1
5
9
4
6
7
13
1
5
9
4
6
7
13
1
8
5
9
6
7
13
8
11
5
9
6
7
13
8
11
5
9
10
6
7
13
8
12
11
5
9
10
6
7
13
8
12
11
5
9
10
6
7
13
8
12
11
5
9
10
6
7
13
8
12
11
9
10
6
7
13
8
12
11
9
10
6
7
13
8
12
11
9
10
6
7
13
8
12
11
9
10
6
7
13
8
12
11
9
10
6
7
13
8