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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1952 | 2 |
| 1953 | 1 |
| 1957 | 1 |
| 1960 | 2 |
| 1966 | 7 |
| 1967 | 17 |
| 1968 | 7 |
| 1969 | 1 |
| 1970 | 4 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 9 |
| 1975 | 84 |
| 1976 | 100 |
| 1977 | 97 |
| 1978 | 91 |
| 1979 | 111 |
| 1980 | 121 |
| 1981 | 90 |
| 1982 | 112 |
| 1983 | 117 |
| 1984 | 157 |
| 1985 | 159 |
| 1986 | 138 |
| 1987 | 143 |
| 1988 | 158 |
| 1989 | 280 |
| 1990 | 704 |
| 1991 | 886 |
| 1992 | 945 |
| 1993 | 990 |
| 1994 | 1115 |
| 1995 | 1264 |
| 1996 | 1321 |
| 1997 | 1383 |
| 1998 | 1453 |
| 1999 | 1675 |
| 2000 | 1751 |
| 2001 | 1811 |
| 2002 | 2049 |
| 2003 | 2147 |
| 2004 | 2379 |
| 2005 | 2749 |
| 2006 | 3327 |
| 2007 | 3568 |
| 2008 | 3826 |
| 2009 | 3770 |
| 2010 | 4172 |
| 2011 | 4631 |
| 2012 | 4959 |
| 2013 | 5322 |
| 2014 | 5806 |
| 2015 | 5864 |
| 2016 | 5438 |
| 2017 | 5338 |
| 2018 | 5440 |
| 2019 | 5494 |
| 2020 | 4626 |
| 2021 | 2717 |
| 2022 | 1159 |
| 2023 | 856 |
| 2024 | 550 |