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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 2 |
| 1951 | 5 |
| 1952 | 6 |
| 1953 | 21 |
| 1954 | 22 |
| 1955 | 33 |
| 1956 | 115 |
| 1957 | 117 |
| 1958 | 117 |
| 1959 | 107 |
| 1960 | 112 |
| 1961 | 149 |
| 1962 | 110 |
| 1963 | 5 |
| 1964 | 30 |
| 1965 | 55 |
| 1966 | 571 |
| 1967 | 805 |
| 1968 | 875 |
| 1969 | 960 |
| 1970 | 833 |
| 1971 | 967 |
| 1972 | 1128 |
| 1973 | 1029 |
| 1974 | 885 |
| 1975 | 884 |
| 1976 | 771 |
| 1977 | 827 |
| 1978 | 802 |
| 1979 | 770 |
| 1980 | 755 |
| 1981 | 723 |
| 1982 | 867 |
| 1983 | 859 |
| 1984 | 833 |
| 1985 | 882 |
| 1986 | 883 |
| 1987 | 925 |
| 1988 | 898 |
| 1989 | 837 |
| 1990 | 849 |
| 1991 | 781 |
| 1992 | 728 |
| 1993 | 656 |
| 1994 | 704 |
| 1995 | 706 |
| 1996 | 700 |
| 1997 | 614 |
| 1998 | 643 |
| 1999 | 560 |
| 2000 | 546 |
| 2001 | 531 |
| 2002 | 535 |
| 2003 | 484 |
| 2004 | 499 |
| 2005 | 499 |
| 2006 | 499 |
| 2007 | 488 |
| 2008 | 525 |
| 2009 | 458 |
| 2010 | 441 |
| 2011 | 442 |
| 2012 | 495 |
| 2013 | 503 |
| 2014 | 541 |
| 2015 | 477 |
| 2016 | 481 |
| 2017 | 431 |
| 2018 | 457 |
| 2019 | 394 |
| 2020 | 374 |
| 2021 | 287 |
| 2022 | 54 |
| 2023 | 27 |
| 2024 | 8 |