data.csv

id,site,month,total,asked_to_match,successful_match,percent_asked,percent_matched,match_rate,final_dec
1,Leeds,2017-05-31,100,30,25,30,25,90,20
2,Leeds,2017-03-31,100,31,26,31,26,90,19
3,Bolton,2017-03-31,100,30,25,30,25,90,13
4,Bolton,2017-06-30,100,29,28,39,28,90,22