vote-counter/sample.csv

1	Peter	Mia	Hannah	Lee	Fred	Julia
2	1	2	3	4	5	6
3		4	3		1	2
4		1	2		5
5	3	6		1
6		1	1	2
7			1		2	3
8
9		3	2	1
10	1	2
11			1
12			3	1	2
13		1	2	8
14		5	2		0
15	1	2		7
16			3	4		7
17					1
18				3	2	1
19		3	2			1