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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1942 | 2 |
| 1944 | 2 |
| 1945 | 10 |
| 1946 | 35 |
| 1947 | 33 |
| 1948 | 50 |
| 1949 | 33 |
| 1950 | 57 |
| 1951 | 54 |
| 1952 | 81 |
| 1953 | 80 |
| 1954 | 141 |
| 1955 | 136 |
| 1956 | 86 |
| 1957 | 81 |
| 1958 | 69 |
| 1959 | 84 |
| 1960 | 83 |
| 1961 | 77 |
| 1962 | 102 |
| 1963 | 67 |
| 1964 | 90 |
| 1965 | 40 |
| 1966 | 44 |
| 1967 | 86 |
| 1968 | 205 |
| 1969 | 243 |
| 1970 | 277 |
| 1971 | 373 |
| 1972 | 424 |
| 1973 | 435 |
| 1974 | 390 |
| 1975 | 419 |
| 1976 | 427 |
| 1977 | 428 |
| 1978 | 432 |
| 1979 | 518 |
| 1980 | 441 |
| 1981 | 478 |
| 1982 | 585 |
| 1983 | 549 |
| 1984 | 518 |
| 1985 | 599 |
| 1986 | 571 |
| 1987 | 558 |
| 1988 | 710 |
| 1989 | 734 |
| 1990 | 744 |
| 1991 | 775 |
| 1992 | 699 |
| 1993 | 776 |
| 1994 | 767 |
| 1995 | 608 |
| 1996 | 594 |
| 1997 | 673 |
| 1998 | 741 |
| 1999 | 889 |
| 2000 | 760 |
| 2001 | 1036 |
| 2002 | 1006 |
| 2003 | 989 |
| 2004 | 1108 |
| 2005 | 1393 |
| 2006 | 1435 |
| 2007 | 1648 |
| 2008 | 1855 |
| 2009 | 1984 |
| 2010 | 2259 |
| 2011 | 2589 |
| 2012 | 2791 |
| 2013 | 2964 |
| 2014 | 3259 |
| 2015 | 3459 |
| 2016 | 3461 |
| 2017 | 3550 |
| 2018 | 3734 |
| 2019 | 4022 |
| 2020 | 4021 |
| 2021 | 3435 |
| 2022 | 2724 |
| 2023 | 1593 |
| 2024 | 482 |