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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1977 | 1 |
| 1979 | 2 |
| 1980 | 4 |
| 1981 | 9 |
| 1982 | 5 |
| 1983 | 7 |
| 1984 | 10 |
| 1985 | 10 |
| 1986 | 10 |
| 1987 | 19 |
| 1988 | 19 |
| 1989 | 29 |
| 1990 | 15 |
| 1991 | 43 |
| 1992 | 34 |
| 1993 | 39 |
| 1994 | 44 |
| 1995 | 60 |
| 1996 | 63 |
| 1997 | 67 |
| 1998 | 76 |
| 1999 | 94 |
| 2000 | 73 |
| 2001 | 91 |
| 2002 | 103 |
| 2003 | 150 |
| 2004 | 219 |
| 2005 | 221 |
| 2006 | 278 |
| 2007 | 284 |
| 2008 | 349 |
| 2009 | 403 |
| 2010 | 521 |
| 2011 | 602 |
| 2012 | 690 |
| 2013 | 851 |
| 2014 | 923 |
| 2015 | 982 |
| 2016 | 1074 |
| 2017 | 1222 |
| 2018 | 1423 |
| 2019 | 1714 |
| 2020 | 2051 |
| 2021 | 2235 |
| 2022 | 2527 |
| 2023 | 2423 |
| 2024 | 1880 |
| 2025 | 5 |