1954
7 476 136
4.15%
1955
7 814 384
4.52%
1956
8 181 338
4.70%
1957
8 567 818
4.72%
1958
8 967 223
4.66%
1959
9 375 147
4.55%
1960
9 788 403
4.41%
1961
10 203 519
4.24%
1962
10 615 272
4.04%
1963
11 015 721
3.77%
1964
11 394 738
3.44%
1965
11 743 269
3.06%
1966
12 054 946
2.65%
1967
12 328 129
2.27%
1968
12 568 909
1.95%
1969
12 789 739
1.76%
1970
13 003 509