rank         nation  gold  silver  bronze  total
0     1         brazil    19      19      17     55
1     2  united states     6       3       4     13
2     4        germany     3       3       3      9
3     5    switzerland     2       3       2      7
4     6         greece     1       2       1      4
5     7          china     0       1       4      5

Table as JSON:
{"rank":{"0":1,"1":2,"2":4,"3":5,"4":6,"5":7},"nation":{"0":"brazil","1":"united states","2":"germany","3":"switzerland","4":"greece","5":"china"},"gold":{"0":19,"1":6,"2":3,"3":2,"4":1,"5":0},"silver":{"0":19,"1":3,"2":3,"3":3,"4":2,"5":1},"bronze":{"0":17,"1":4,"2":3,"3":2,"4":1,"5":4},"total":{"0":55,"1":13,"2":9,"3":7,"4":4,"5":5}}