How many U.S. presidents died while in office?
8
2
1
2
1
2
1
2
1
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
0
1
4
3
2
5
1
4
0
3
2
5
1
4
3
0
2
5
1
4
3
2
5
0
1
4
3
2
5
1
4
0
3
2
5
1
4
3
0
6
2
5
1
4
3
6
2
5
0
1
4
3
6
2
5
1
4
0
3
6
5
4
3
7
6
5
4
3
7
6
5
4
3
7
6
5
4
8
7
6
5
9
8
7
6
5
9
8
11
7
6
5
9
8
11
7
6
5
9
8
11
7
6
9
8
11
7
6
10
9
8
11
7
6
10
9
13
8
11
7
6
10
9
13
8
11
7
6
10
9
13
8
11
7
6
12
10
9
13
8
11
7
6
12
10
9
13
8
11
7
14
6
12
10
9
13
8
66
62
66
62
59
66