How many land surveyors have been elected to president of the US?
3
1
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
5
2
3
1
4
5
2
3
1
4
5
2
3
1
4
5
2
0
3
1
4
5
2
3
1
4
0
5
2
3
1
4
5
0
2
3
1
4
5
2
0
3
1
4
5
2
3
4
0
5
2
6
3
4
5
0
6
3
4
5
7
6
0
3
4
5
7
6
3
4
0
5
7
6
3
4
5
7
6
4
8
5
7
6
8
5
7
6
8
5
7
6
9
8
5
7
6
9
8
5
7
6
9
8
7
6
9
8
11
7
6
9
8
11
7
6
9
8
11
7
6
9
8
11
7
6
9
8
11
7
10
6
9
8
11
7
10
13
6
9
8
11
7
10
13
12
6
9
8
11
7
10
13
12
6
9
8
11
7
10
13
12
112
ONE
112
66
128