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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 4 |
| 1972 | 1 |
| 1973 | 2 |
| 1976 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 6 |
| 1981 | 2 |
| 1982 | 5 |
| 1983 | 6 |
| 1984 | 9 |
| 1985 | 9 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 9 |
| 1989 | 7 |
| 1990 | 8 |
| 1991 | 10 |
| 1992 | 16 |
| 1993 | 20 |
| 1994 | 27 |
| 1995 | 15 |
| 1996 | 28 |
| 1997 | 22 |
| 1998 | 30 |
| 1999 | 49 |
| 2000 | 44 |
| 2001 | 45 |
| 2002 | 69 |
| 2003 | 70 |
| 2004 | 120 |
| 2005 | 141 |
| 2006 | 163 |
| 2007 | 185 |
| 2008 | 198 |
| 2009 | 223 |
| 2010 | 273 |
| 2011 | 305 |
| 2012 | 337 |
| 2013 | 400 |
| 2014 | 462 |
| 2015 | 429 |
| 2016 | 420 |
| 2017 | 452 |
| 2018 | 416 |
| 2019 | 466 |
| 2020 | 600 |
| 2021 | 615 |
| 2022 | 663 |
| 2023 | 609 |
| 2024 | 548 |
| 2025 | 451 |