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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 4 |
| 1975 | 14 |
| 1976 | 14 |
| 1977 | 23 |
| 1978 | 121 |
| 1979 | 106 |
| 1980 | 149 |
| 1981 | 138 |
| 1982 | 140 |
| 1983 | 159 |
| 1984 | 151 |
| 1985 | 173 |
| 1986 | 196 |
| 1987 | 207 |
| 1988 | 236 |
| 1989 | 240 |
| 1990 | 288 |
| 1991 | 366 |
| 1992 | 418 |
| 1993 | 456 |
| 1994 | 571 |
| 1995 | 640 |
| 1996 | 662 |
| 1997 | 643 |
| 1998 | 802 |
| 1999 | 864 |
| 2000 | 789 |
| 2001 | 866 |
| 2002 | 865 |
| 2003 | 1007 |
| 2004 | 1075 |
| 2005 | 1003 |
| 2006 | 1102 |
| 2007 | 1181 |
| 2008 | 1324 |
| 2009 | 1359 |
| 2010 | 1571 |
| 2011 | 1693 |
| 2012 | 1961 |
| 2013 | 2284 |
| 2014 | 2345 |
| 2015 | 2473 |
| 2016 | 2256 |
| 2017 | 2377 |
| 2018 | 2545 |
| 2019 | 2358 |
| 2020 | 1738 |
| 2021 | 672 |
| 2022 | 81 |
| 2023 | 106 |
| 2024 | 1195 |
| 2025 | 1262 |