member countries            population     area (km square)     gdp (billion us) gdp per capita (us)
0                  austria               8206524                83871              145.238               18048
1                  finland               5261008               338145               80.955               15859
2                   sweden               9047752               449964              156.640               17644
3      accession countries              22029977               871980              382.833               17378
4  existing members (1995)             350909402              2495174             5894.232               16797
5              eu15 (1995)  372939379 ( + 6.28%)  3367154 ( + 34.95%)  6277.065 ( + 6.50%)    16831 ( + 0.20%)

Table as JSON:
{"member countries":{"0":"austria","1":"finland","2":"sweden","3":"accession countries","4":"existing members (1995)","5":"eu15 (1995)"},"population":{"0":"8206524","1":"5261008","2":"9047752","3":"22029977","4":"350909402","5":"372939379 ( + 6.28%)"},"area (km square)":{"0":"83871","1":"338145","2":"449964","3":"871980","4":"2495174","5":"3367154 ( + 34.95%)"},"gdp (billion us)":{"0":"145.238","1":"80.955","2":"156.640","3":"382.833","4":"5894.232","5":"6277.065 ( + 6.50%)"},"gdp per capita (us)":{"0":"18048","1":"15859","2":"17644","3":"17378","4":"16797","5":"16831 ( + 0.20%)"}}