Query parameters
Query: -
Results count: 2327016
Too many results found. Only first 25 000 records are displayed in charts. To get more data click 'Data export'.
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Publication years:
Publication year |
Count |
1957 |
2 |
1958 |
0 |
1959 |
1 |
1960 |
26 |
1961 |
2878 |
1962 |
2144 |
1963 |
2406 |
1964 |
2746 |
1965 |
2231 |
1966 |
44 |
1967 |
25 |
1968 |
10 |
1969 |
15 |
1970 |
11 |
1971 |
21 |
1972 |
1921 |
1973 |
2295 |
1974 |
2557 |
1975 |
2673 |
1976 |
2396 |
1977 |
368 |
1978 |
225 |
1979 |
3 |
1980 |
2 |