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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 4 |
| 1976 | 18 |
| 1977 | 50 |
| 1978 | 87 |
| 1979 | 78 |
| 1980 | 81 |
| 1981 | 62 |
| 1982 | 59 |
| 1983 | 87 |
| 1984 | 56 |
| 1985 | 59 |
| 1986 | 51 |
| 1987 | 58 |
| 1988 | 23 |
| 1989 | 48 |
| 1990 | 61 |
| 1991 | 75 |
| 1992 | 102 |
| 1993 | 101 |
| 1994 | 98 |
| 1995 | 137 |
| 1996 | 197 |
| 1997 | 164 |
| 1998 | 177 |
| 1999 | 154 |
| 2000 | 155 |
| 2001 | 139 |
| 2002 | 218 |
| 2003 | 190 |
| 2004 | 242 |
| 2005 | 224 |
| 2006 | 297 |
| 2007 | 409 |
| 2008 | 422 |
| 2009 | 417 |
| 2010 | 440 |
| 2011 | 422 |
| 2012 | 456 |
| 2013 | 451 |
| 2014 | 454 |
| 2015 | 429 |
| 2016 | 359 |
| 2017 | 322 |
| 2018 | 301 |
| 2019 | 249 |
| 2020 | 183 |
| 2021 | 70 |
| 2022 | 9 |
| 2023 | 2 |
| 2024 | 2 |