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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 2 |
| 1965 | 1 |
| 1966 | 6 |
| 1967 | 15 |
| 1968 | 15 |
| 1969 | 13 |
| 1970 | 44 |
| 1971 | 76 |
| 1972 | 69 |
| 1973 | 62 |
| 1974 | 61 |
| 1975 | 55 |
| 1976 | 49 |
| 1977 | 45 |
| 1978 | 50 |
| 1979 | 46 |
| 1980 | 52 |
| 1981 | 42 |
| 1982 | 52 |
| 1983 | 60 |
| 1984 | 65 |
| 1985 | 51 |
| 1986 | 53 |
| 1987 | 55 |
| 1988 | 54 |
| 1989 | 58 |
| 1990 | 62 |
| 1991 | 69 |
| 1992 | 65 |
| 1993 | 53 |
| 1994 | 78 |
| 1995 | 72 |
| 1996 | 77 |
| 1997 | 87 |
| 1998 | 91 |
| 1999 | 118 |
| 2000 | 157 |
| 2001 | 236 |
| 2002 | 246 |
| 2003 | 257 |
| 2004 | 306 |
| 2005 | 313 |
| 2006 | 479 |
| 2007 | 418 |
| 2008 | 411 |
| 2009 | 424 |
| 2010 | 382 |
| 2011 | 481 |
| 2012 | 485 |
| 2013 | 415 |
| 2014 | 322 |
| 2015 | 292 |
| 2016 | 298 |
| 2017 | 298 |
| 2018 | 387 |
| 2019 | 389 |
| 2020 | 384 |
| 2021 | 283 |
| 2022 | 144 |
| 2023 | 173 |
| 2024 | 248 |
| 2025 | 258 |
| 2026 | 51 |