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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 13 |
| 1970 | 41 |
| 1971 | 40 |
| 1972 | 77 |
| 1973 | 312 |
| 1974 | 147 |
| 1975 | 138 |
| 1976 | 154 |
| 1977 | 98 |
| 1978 | 104 |
| 1979 | 132 |
| 1980 | 129 |
| 1981 | 108 |
| 1982 | 132 |
| 1983 | 97 |
| 1984 | 153 |
| 1985 | 114 |
| 1986 | 114 |
| 1987 | 100 |
| 1988 | 112 |
| 1989 | 135 |
| 1990 | 170 |
| 1991 | 170 |
| 1992 | 149 |
| 1993 | 167 |
| 1994 | 224 |
| 1995 | 190 |
| 1996 | 204 |
| 1997 | 201 |
| 1998 | 216 |
| 1999 | 235 |
| 2000 | 307 |
| 2001 | 289 |
| 2002 | 294 |
| 2003 | 314 |
| 2004 | 316 |
| 2005 | 365 |
| 2006 | 398 |
| 2007 | 431 |
| 2008 | 443 |
| 2009 | 444 |
| 2010 | 471 |
| 2011 | 479 |
| 2012 | 577 |
| 2013 | 610 |
| 2014 | 623 |
| 2015 | 608 |
| 2016 | 722 |
| 2017 | 891 |
| 2018 | 1105 |
| 2019 | 1211 |
| 2020 | 1426 |
| 2021 | 1660 |
| 2022 | 1725 |
| 2023 | 1449 |
| 2024 | 1362 |
| 2025 | 723 |