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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 1 |
| 1965 | 2 |
| 1966 | 12 |
| 1967 | 4 |
| 1968 | 7 |
| 1969 | 6 |
| 1970 | 4 |
| 1971 | 8 |
| 1972 | 5 |
| 1973 | 8 |
| 1974 | 12 |
| 1975 | 8 |
| 1976 | 16 |
| 1977 | 17 |
| 1978 | 17 |
| 1979 | 18 |
| 1980 | 15 |
| 1981 | 16 |
| 1982 | 23 |
| 1983 | 24 |
| 1984 | 49 |
| 1985 | 44 |
| 1986 | 40 |
| 1987 | 49 |
| 1988 | 68 |
| 1989 | 59 |
| 1990 | 72 |
| 1991 | 89 |
| 1992 | 145 |
| 1993 | 147 |
| 1994 | 188 |
| 1995 | 213 |
| 1996 | 189 |
| 1997 | 214 |
| 1998 | 214 |
| 1999 | 203 |
| 2000 | 217 |
| 2001 | 201 |
| 2002 | 193 |
| 2003 | 212 |
| 2004 | 222 |
| 2005 | 276 |
| 2006 | 281 |
| 2007 | 262 |
| 2008 | 326 |
| 2009 | 373 |
| 2010 | 387 |
| 2011 | 377 |
| 2012 | 416 |
| 2013 | 462 |
| 2014 | 522 |
| 2015 | 558 |
| 2016 | 564 |
| 2017 | 621 |
| 2018 | 655 |
| 2019 | 703 |
| 2020 | 695 |
| 2021 | 749 |
| 2022 | 562 |
| 2023 | 551 |
| 2024 | 219 |