How many US presidents resigned from office?
1
1
1
1
1
1
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
4
3
1
2
4
3
1
2
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
0
3
2
5
4
3
0
2
5
4
3
2
0
5
4
3
2
5
4
0
3
2
5
4
6
3
5
4
6
3
5
4
6
3
5
4
6
3
5
4
6
3
7
5
4
6
7
5
4
6
7
8
5
6
7
8
5
6
7
8
5
9
6
7
8
9
6
7
8
11
9
6
7
8
11
9
6
7
8
11
9
6
10
7
8
11
9
6
10
7
8
11
9
6
10
7
8
11
9
6
10
13
7
8
11
9
6
10
13
7
12
8
11
9
6
10
13
7
12
8
11
9
6
10
13
7
12
8
11
9
10
13
14
128
62
66
128
62
ONE
59