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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1958 | 2 |
| 1959 | 8 |
| 1960 | 17 |
| 1961 | 24 |
| 1962 | 22 |
| 1967 | 4 |
| 1968 | 8 |
| 1969 | 6 |
| 1970 | 6 |
| 1971 | 7 |
| 1972 | 7 |
| 1973 | 5 |
| 1974 | 6 |
| 1975 | 8 |
| 1976 | 7 |
| 1977 | 7 |
| 1978 | 4 |
| 1979 | 5 |
| 1980 | 8 |
| 1981 | 3 |
| 1982 | 7 |
| 1983 | 4 |
| 1984 | 5 |
| 1985 | 8 |
| 1986 | 8 |
| 1987 | 5 |
| 1988 | 8 |
| 1989 | 6 |
| 1990 | 28 |
| 1991 | 52 |
| 1992 | 66 |
| 1993 | 82 |
| 1994 | 77 |
| 1995 | 96 |
| 1996 | 83 |
| 1997 | 83 |
| 1998 | 106 |
| 1999 | 114 |
| 2000 | 124 |
| 2001 | 177 |
| 2002 | 198 |
| 2003 | 199 |
| 2004 | 240 |
| 2005 | 311 |
| 2006 | 349 |
| 2007 | 351 |
| 2008 | 377 |
| 2009 | 409 |
| 2010 | 530 |
| 2011 | 593 |
| 2012 | 640 |
| 2013 | 652 |
| 2014 | 621 |
| 2015 | 636 |
| 2016 | 480 |
| 2017 | 424 |
| 2018 | 475 |
| 2019 | 540 |
| 2020 | 398 |
| 2021 | 217 |
| 2022 | 133 |
| 2023 | 61 |
| 2024 | 27 |