year of census  total          croats           serbs          others
0            2001  31670  18199 (57.46%)  10412 (32.88%)    3059 (9.66%)
1            1991  84024  36910 (43.93%)  31910 (37.98%)  15204 (18.09%)
2            1981  81203  30157 (37.14%)  25146 (30.97%)  25903 (31.89%)
3            1971  76602  34629 (45.21%)  28470 (37.17%)  13593 (17.09%)
4            1961  54707  24527 (44.83%)  22774 (41.63%)   7406 (13.54%)

Table as JSON:
{"year of census":{"0":2001,"1":1991,"2":1981,"3":1971,"4":1961},"total":{"0":31670,"1":84024,"2":81203,"3":76602,"4":54707},"croats":{"0":"18199 (57.46%)","1":"36910 (43.93%)","2":"30157 (37.14%)","3":"34629 (45.21%)","4":"24527 (44.83%)"},"serbs":{"0":"10412 (32.88%)","1":"31910 (37.98%)","2":"25146 (30.97%)","3":"28470 (37.17%)","4":"22774 (41.63%)"},"others":{"0":"3059 (9.66%)","1":"15204 (18.09%)","2":"25903 (31.89%)","3":"13593 (17.09%)","4":"7406 (13.54%)"}}