country area (000s)  1950 (mil)  1970 (mil)  1980 (mil)  1985 (mil) annual growth (19501985) density (1980)
0         albania   28.7 km 2        1.22        2.16        2.59        2.96                  + 4.07%    90.2 / km 2
1        bulgaria  110.9 km 2        7.27        8.49        8.88        8.97                  + 0.67%    80.1 / km 2
2  czechoslovakia  127.9 km 2       13.09       14.47       15.28       15.50                  + 0.53%   119.5 / km 2
3         hungary   93.0 km 2        9.20       10.30       10.71       10.60                  + 0.43%   115.2 / km 2
4    east germany  108.3 km 2       17.94       17.26       16.74       16.69                   - 0.20   154.6 / km 2
5          poland  312.7 km 2       24.82       30.69       35.73       37.23                  + 1.43%   114.3 / km 2
6         romania  237.5 km 2       16.31       20.35       22.20       22.73                  + 1.12%    93.5 / km 2
7    soviet union  22300 km 2      182.32      241.72      265.00      272.00                   + 1.41    11.9 / km 2

Table as JSON:
{"country":{"0":"albania","1":"bulgaria","2":"czechoslovakia","3":"hungary","4":"east germany","5":"poland","6":"romania","7":"soviet union"},"area (000s)":{"0":"28.7 km 2","1":"110.9 km 2","2":"127.9 km 2","3":"93.0 km 2","4":"108.3 km 2","5":"312.7 km 2","6":"237.5 km 2","7":"22300 km 2"},"1950 (mil)":{"0":1.22,"1":7.27,"2":13.09,"3":9.2,"4":17.94,"5":24.82,"6":16.31,"7":182.32},"1970 (mil)":{"0":2.16,"1":8.49,"2":14.47,"3":10.3,"4":17.26,"5":30.69,"6":20.35,"7":241.72},"1980 (mil)":{"0":2.59,"1":8.88,"2":15.28,"3":10.71,"4":16.74,"5":35.73,"6":22.2,"7":265.0},"1985 (mil)":{"0":2.96,"1":8.97,"2":15.5,"3":10.6,"4":16.69,"5":37.23,"6":22.73,"7":272.0},"annual growth (19501985)":{"0":"+ 4.07%","1":"+ 0.67%","2":"+ 0.53%","3":"+ 0.43%","4":"- 0.20","5":"+ 1.43%","6":"+ 1.12%","7":"+ 1.41"},"density (1980)":{"0":"90.2 \/ km 2","1":"80.1 \/ km 2","2":"119.5 \/ km 2","3":"115.2 \/ km 2","4":"154.6 \/ km 2","5":"114.3 \/ km 2","6":"93.5 \/ km 2","7":"11.9 \/ km 2"}}