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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 2 |
| 1965 | 19 |
| 1966 | 42 |
| 1967 | 49 |
| 1968 | 56 |
| 1969 | 73 |
| 1970 | 67 |
| 1971 | 71 |
| 1972 | 89 |
| 1973 | 140 |
| 1974 | 163 |
| 1975 | 122 |
| 1976 | 115 |
| 1977 | 124 |
| 1978 | 130 |
| 1979 | 127 |
| 1980 | 141 |
| 1981 | 125 |
| 1982 | 178 |
| 1983 | 194 |
| 1984 | 223 |
| 1985 | 220 |
| 1986 | 233 |
| 1987 | 266 |
| 1988 | 255 |
| 1989 | 254 |
| 1990 | 290 |
| 1991 | 322 |
| 1992 | 359 |
| 1993 | 384 |
| 1994 | 403 |
| 1995 | 347 |
| 1996 | 372 |
| 1997 | 364 |
| 1998 | 401 |
| 1999 | 372 |
| 2000 | 443 |
| 2001 | 415 |
| 2002 | 397 |
| 2003 | 461 |
| 2004 | 471 |
| 2005 | 492 |
| 2006 | 586 |
| 2007 | 495 |
| 2008 | 549 |
| 2009 | 540 |
| 2010 | 582 |
| 2011 | 580 |
| 2012 | 571 |
| 2013 | 555 |
| 2014 | 553 |
| 2015 | 562 |
| 2016 | 497 |
| 2017 | 497 |
| 2018 | 527 |
| 2019 | 526 |
| 2020 | 487 |
| 2021 | 401 |
| 2022 | 270 |
| 2023 | 197 |
| 2024 | 216 |
| 2025 | 3 |