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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 3 |
| 1966 | 22 |
| 1967 | 43 |
| 1968 | 50 |
| 1969 | 67 |
| 1970 | 89 |
| 1971 | 97 |
| 1972 | 98 |
| 1973 | 111 |
| 1974 | 150 |
| 1975 | 132 |
| 1976 | 119 |
| 1977 | 115 |
| 1978 | 122 |
| 1979 | 147 |
| 1980 | 141 |
| 1981 | 162 |
| 1982 | 126 |
| 1983 | 167 |
| 1984 | 200 |
| 1985 | 245 |
| 1986 | 228 |
| 1987 | 240 |
| 1988 | 266 |
| 1989 | 324 |
| 1990 | 277 |
| 1991 | 221 |
| 1992 | 302 |
| 1993 | 270 |
| 1994 | 279 |
| 1995 | 277 |
| 1996 | 259 |
| 1997 | 217 |
| 1998 | 181 |
| 1999 | 181 |
| 2000 | 181 |
| 2001 | 192 |
| 2002 | 169 |
| 2003 | 198 |
| 2004 | 225 |
| 2005 | 284 |
| 2006 | 331 |
| 2007 | 330 |
| 2008 | 381 |
| 2009 | 365 |
| 2010 | 446 |
| 2011 | 460 |
| 2012 | 541 |
| 2013 | 587 |
| 2014 | 583 |
| 2015 | 590 |
| 2016 | 532 |
| 2017 | 543 |
| 2018 | 594 |
| 2019 | 693 |
| 2020 | 610 |
| 2021 | 515 |
| 2022 | 353 |
| 2023 | 301 |
| 2024 | 580 |
| 2025 | 412 |