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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1973 | 1 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 10 |
| 1979 | 18 |
| 1980 | 24 |
| 1981 | 25 |
| 1982 | 21 |
| 1983 | 24 |
| 1984 | 44 |
| 1985 | 40 |
| 1986 | 57 |
| 1987 | 71 |
| 1988 | 81 |
| 1989 | 103 |
| 1990 | 106 |
| 1991 | 150 |
| 1992 | 152 |
| 1993 | 169 |
| 1994 | 133 |
| 1995 | 167 |
| 1996 | 194 |
| 1997 | 136 |
| 1998 | 157 |
| 1999 | 158 |
| 2000 | 150 |
| 2001 | 168 |
| 2002 | 166 |
| 2003 | 178 |
| 2004 | 184 |
| 2005 | 224 |
| 2006 | 298 |
| 2007 | 399 |
| 2008 | 422 |
| 2009 | 361 |
| 2010 | 383 |
| 2011 | 418 |
| 2012 | 455 |
| 2013 | 453 |
| 2014 | 502 |
| 2015 | 418 |
| 2016 | 414 |
| 2017 | 430 |
| 2018 | 482 |
| 2019 | 492 |
| 2020 | 446 |
| 2021 | 269 |
| 2022 | 30 |
| 2023 | 18 |
| 2024 | 303 |
| 2025 | 709 |