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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 5 |
| 1973 | 4 |
| 1974 | 10 |
| 1975 | 9 |
| 1976 | 17 |
| 1977 | 11 |
| 1978 | 19 |
| 1979 | 9 |
| 1980 | 16 |
| 1981 | 22 |
| 1982 | 38 |
| 1983 | 43 |
| 1984 | 51 |
| 1985 | 47 |
| 1986 | 44 |
| 1987 | 79 |
| 1988 | 56 |
| 1989 | 107 |
| 1990 | 96 |
| 1991 | 122 |
| 1992 | 159 |
| 1993 | 136 |
| 1994 | 150 |
| 1995 | 212 |
| 1996 | 276 |
| 1997 | 285 |
| 1998 | 337 |
| 1999 | 216 |
| 2000 | 161 |
| 2001 | 171 |
| 2002 | 265 |
| 2003 | 250 |
| 2004 | 330 |
| 2005 | 364 |
| 2006 | 466 |
| 2007 | 427 |
| 2008 | 539 |
| 2009 | 478 |
| 2010 | 462 |
| 2011 | 430 |
| 2012 | 541 |
| 2013 | 575 |
| 2014 | 441 |
| 2015 | 344 |
| 2016 | 239 |
| 2017 | 151 |
| 2018 | 146 |
| 2019 | 101 |
| 2020 | 101 |
| 2021 | 48 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 31 |
| 2025 | 138 |
| 2026 | 7 |