nation  gold  silver  bronze  total
0         brazil     2       0       1      3
1  united states     1       2       2      5
2      venezuela     1       0       1      2
3         mexico     0       1       0      1
4          chile     0       1       0      1
5      argentina     0       0       3      3
6         canada     0       0       1      1

Table as JSON:
{"nation":{"0":"brazil","1":"united states","2":"venezuela","3":"mexico","4":"chile","5":"argentina","6":"canada"},"gold":{"0":2,"1":1,"2":1,"3":0,"4":0,"5":0,"6":0},"silver":{"0":0,"1":2,"2":0,"3":1,"4":1,"5":0,"6":0},"bronze":{"0":1,"1":2,"2":1,"3":0,"4":0,"5":3,"6":1},"total":{"0":3,"1":5,"2":2,"3":1,"4":1,"5":3,"6":1}}