I have a data like below format, now I want to count the occurrences of '7' and '0', like how many time it's showed up in the table from 'vi' column ??
ci vi
1 7
2 0
3 0
4 7
5 7
6 10
7 15
8 0
9 16
10 7
11 0
12 35
thanks in advance