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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 34 |
| 1972 | 12 |
| 1973 | 17 |
| 1974 | 44 |
| 1975 | 54 |
| 1976 | 48 |
| 1977 | 43 |
| 1978 | 51 |
| 1979 | 41 |
| 1980 | 41 |
| 1981 | 39 |
| 1982 | 43 |
| 1983 | 37 |
| 1984 | 43 |
| 1985 | 42 |
| 1986 | 41 |
| 1987 | 38 |
| 1988 | 37 |
| 1989 | 45 |
| 1990 | 43 |
| 1991 | 40 |
| 1992 | 34 |
| 1993 | 40 |
| 1994 | 39 |
| 1995 | 38 |
| 1996 | 33 |
| 1997 | 37 |
| 1998 | 35 |
| 1999 | 29 |
| 2000 | 33 |
| 2001 | 34 |
| 2002 | 55 |
| 2003 | 46 |
| 2004 | 56 |
| 2005 | 79 |
| 2006 | 79 |
| 2007 | 126 |
| 2008 | 174 |
| 2009 | 191 |
| 2010 | 204 |
| 2011 | 205 |
| 2012 | 224 |
| 2013 | 232 |
| 2014 | 278 |
| 2015 | 324 |
| 2016 | 347 |
| 2017 | 357 |
| 2018 | 329 |
| 2019 | 351 |
| 2020 | 360 |
| 2021 | 418 |
| 2022 | 429 |
| 2023 | 366 |
| 2024 | 364 |
| 2025 | 344 |
| 2026 | 65 |