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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 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 7 |
| 1979 | 7 |
| 1980 | 2 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 12 |
| 1984 | 11 |
| 1985 | 11 |
| 1986 | 9 |
| 1987 | 11 |
| 1988 | 8 |
| 1989 | 17 |
| 1990 | 24 |
| 1991 | 34 |
| 1992 | 16 |
| 1993 | 32 |
| 1994 | 30 |
| 1995 | 49 |
| 1996 | 42 |
| 1997 | 32 |
| 1998 | 43 |
| 1999 | 47 |
| 2000 | 48 |
| 2001 | 56 |
| 2002 | 74 |
| 2003 | 96 |
| 2004 | 102 |
| 2005 | 118 |
| 2006 | 144 |
| 2007 | 172 |
| 2008 | 178 |
| 2009 | 212 |
| 2010 | 172 |
| 2011 | 221 |
| 2012 | 303 |
| 2013 | 287 |
| 2014 | 321 |
| 2015 | 345 |
| 2016 | 295 |
| 2017 | 289 |
| 2018 | 329 |
| 2019 | 335 |
| 2020 | 442 |
| 2021 | 533 |
| 2022 | 580 |
| 2023 | 627 |
| 2024 | 669 |
| 2025 | 2 |