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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 2 |
| 1977 | 8 |
| 1978 | 41 |
| 1979 | 38 |
| 1980 | 32 |
| 1981 | 30 |
| 1982 | 33 |
| 1983 | 28 |
| 1984 | 41 |
| 1985 | 50 |
| 1986 | 49 |
| 1987 | 68 |
| 1988 | 60 |
| 1989 | 65 |
| 1990 | 70 |
| 1991 | 83 |
| 1992 | 101 |
| 1993 | 132 |
| 1994 | 148 |
| 1995 | 171 |
| 1996 | 159 |
| 1997 | 181 |
| 1998 | 207 |
| 1999 | 170 |
| 2000 | 182 |
| 2001 | 175 |
| 2002 | 208 |
| 2003 | 194 |
| 2004 | 193 |
| 2005 | 204 |
| 2006 | 221 |
| 2007 | 186 |
| 2008 | 281 |
| 2009 | 276 |
| 2010 | 333 |
| 2011 | 385 |
| 2012 | 455 |
| 2013 | 533 |
| 2014 | 453 |
| 2015 | 461 |
| 2016 | 434 |
| 2017 | 457 |
| 2018 | 448 |
| 2019 | 398 |
| 2020 | 251 |
| 2021 | 116 |
| 2022 | 17 |
| 2023 | 13 |
| 2024 | 161 |
| 2025 | 188 |