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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1969 | 1 |
| 1970 | 4 |
| 1971 | 2 |
| 1972 | 8 |
| 1974 | 2 |
| 1975 | 6 |
| 1976 | 2 |
| 1977 | 6 |
| 1978 | 3 |
| 1979 | 7 |
| 1980 | 6 |
| 1981 | 11 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 9 |
| 1985 | 7 |
| 1986 | 2 |
| 1987 | 4 |
| 1988 | 13 |
| 1989 | 19 |
| 1990 | 18 |
| 1991 | 30 |
| 1992 | 30 |
| 1993 | 30 |
| 1994 | 28 |
| 1995 | 55 |
| 1996 | 49 |
| 1997 | 69 |
| 1998 | 67 |
| 1999 | 68 |
| 2000 | 139 |
| 2001 | 123 |
| 2002 | 137 |
| 2003 | 193 |
| 2004 | 176 |
| 2005 | 270 |
| 2006 | 277 |
| 2007 | 329 |
| 2008 | 369 |
| 2009 | 491 |
| 2010 | 431 |
| 2011 | 529 |
| 2012 | 548 |
| 2013 | 566 |
| 2014 | 566 |
| 2015 | 577 |
| 2016 | 571 |
| 2017 | 651 |
| 2018 | 654 |
| 2019 | 783 |
| 2020 | 873 |
| 2021 | 645 |
| 2022 | 397 |
| 2023 | 259 |
| 2024 | 84 |