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