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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 2 |
| 1976 | 2 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 2 |
| 1983 | 1 |
| 1984 | 4 |
| 1985 | 2 |
| 1986 | 4 |
| 1987 | 2 |
| 1988 | 3 |
| 1989 | 10 |
| 1990 | 45 |
| 1991 | 98 |
| 1992 | 112 |
| 1993 | 155 |
| 1994 | 169 |
| 1995 | 162 |
| 1996 | 211 |
| 1997 | 200 |
| 1998 | 199 |
| 1999 | 262 |
| 2000 | 328 |
| 2001 | 363 |
| 2002 | 456 |
| 2003 | 651 |
| 2004 | 807 |
| 2005 | 988 |
| 2006 | 1220 |
| 2007 | 1342 |
| 2008 | 1600 |
| 2009 | 2135 |
| 2010 | 2655 |
| 2011 | 3052 |
| 2012 | 3331 |
| 2013 | 3677 |
| 2014 | 3868 |
| 2015 | 3990 |
| 2016 | 4119 |
| 2017 | 4003 |
| 2018 | 4174 |
| 2019 | 4343 |
| 2020 | 3450 |
| 2021 | 2398 |
| 2022 | 1370 |
| 2023 | 1192 |
| 2024 | 2861 |
| 2025 | 27 |