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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 3 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 3 |
| 1980 | 9 |
| 1981 | 1 |
| 1982 | 8 |
| 1983 | 6 |
| 1984 | 4 |
| 1985 | 6 |
| 1986 | 12 |
| 1987 | 14 |
| 1988 | 12 |
| 1989 | 28 |
| 1990 | 30 |
| 1991 | 36 |
| 1992 | 35 |
| 1993 | 70 |
| 1994 | 76 |
| 1995 | 99 |
| 1996 | 106 |
| 1997 | 129 |
| 1998 | 146 |
| 1999 | 195 |
| 2000 | 218 |
| 2001 | 289 |
| 2002 | 347 |
| 2003 | 497 |
| 2004 | 538 |
| 2005 | 687 |
| 2006 | 722 |
| 2007 | 864 |
| 2008 | 950 |
| 2009 | 998 |
| 2010 | 1175 |
| 2011 | 1359 |
| 2012 | 1453 |
| 2013 | 1263 |
| 2014 | 1469 |
| 2015 | 1470 |
| 2016 | 1375 |
| 2017 | 1446 |
| 2018 | 1848 |
| 2019 | 1955 |
| 2020 | 2160 |
| 2021 | 2353 |
| 2022 | 2541 |
| 2023 | 2445 |
| 2024 | 894 |