Erscheinungszeitraum
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1974
21.497
1973
20.436
1972
19.386
1971
18.377
1970
17.475
1969
16.533
1968
15.725
1967
15.020
1966
14.314
1965
13.689
1964
13.049
1963
12.497
1962
11.976
1961
11.524
1960
10.969
1959
10.472
1958
10.030
1957
9.680
1956
9.322
1955
9.009
1954
8.678
1953
8.335
1952
8.015
1951
7.711
1950
7.437
1949
7.074
1948
6.751
1947
6.463
1946
6.145
1945
5.859
1944
5.558
1943
5.491
1942
5.415
1941
5.355
1940
5.268
1939
5.191
1938
5.088
1937
4.958
1936
4.854
1935
4.756
1934
4.657
1933
4.562
1932
4.480
1931
4.378
1930
4.293
1929
4.174
1928
4.083
1927
3.980
1926
3.893
1925
3.797
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