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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1952 | 3 |
| 1953 | 14 |
| 1954 | 41 |
| 1955 | 14 |
| 1956 | 10 |
| 1957 | 6 |
| 1958 | 1 |
| 1959 | 7 |
| 1960 | 11 |
| 1961 | 10 |
| 1962 | 14 |
| 1965 | 13 |
| 1966 | 14 |
| 1967 | 7 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 4 |
| 1971 | 9 |
| 1972 | 15 |
| 1973 | 12 |
| 1974 | 114 |
| 1975 | 492 |
| 1976 | 517 |
| 1977 | 593 |
| 1978 | 803 |
| 1979 | 819 |
| 1980 | 892 |
| 1981 | 877 |
| 1982 | 750 |
| 1983 | 858 |
| 1984 | 813 |
| 1985 | 974 |
| 1986 | 781 |
| 1987 | 845 |
| 1988 | 777 |
| 1989 | 884 |
| 1990 | 999 |
| 1991 | 1012 |
| 1992 | 1129 |
| 1993 | 1263 |
| 1994 | 1353 |
| 1995 | 1291 |
| 1996 | 1519 |
| 1997 | 1719 |
| 1998 | 2157 |
| 1999 | 2348 |
| 2000 | 2499 |
| 2001 | 2695 |
| 2002 | 2582 |
| 2003 | 2848 |
| 2004 | 3449 |
| 2005 | 4322 |
| 2006 | 4559 |
| 2007 | 4695 |
| 2008 | 5112 |
| 2009 | 5567 |
| 2010 | 5775 |
| 2011 | 6229 |
| 2012 | 6630 |
| 2013 | 7174 |
| 2014 | 7088 |
| 2015 | 7035 |
| 2016 | 6426 |
| 2017 | 6294 |
| 2018 | 6901 |
| 2019 | 6625 |
| 2020 | 4756 |
| 2021 | 2326 |
| 2022 | 1402 |
| 2023 | 1108 |
| 2024 | 310 |