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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1957 | 1 |
| 1959 | 3 |
| 1962 | 2 |
| 1963 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 4 |
| 1968 | 2 |
| 1969 | 7 |
| 1970 | 12 |
| 1971 | 4 |
| 1972 | 10 |
| 1973 | 4 |
| 1974 | 8 |
| 1975 | 14 |
| 1976 | 28 |
| 1977 | 21 |
| 1978 | 19 |
| 1979 | 12 |
| 1980 | 15 |
| 1981 | 18 |
| 1982 | 16 |
| 1983 | 22 |
| 1984 | 20 |
| 1985 | 20 |
| 1986 | 33 |
| 1987 | 38 |
| 1988 | 36 |
| 1989 | 37 |
| 1990 | 37 |
| 1991 | 65 |
| 1992 | 60 |
| 1993 | 56 |
| 1994 | 49 |
| 1995 | 60 |
| 1996 | 68 |
| 1997 | 66 |
| 1998 | 82 |
| 1999 | 76 |
| 2000 | 92 |
| 2001 | 86 |
| 2002 | 114 |
| 2003 | 152 |
| 2004 | 171 |
| 2005 | 161 |
| 2006 | 188 |
| 2007 | 230 |
| 2008 | 223 |
| 2009 | 275 |
| 2010 | 283 |
| 2011 | 293 |
| 2012 | 306 |
| 2013 | 353 |
| 2014 | 387 |
| 2015 | 461 |
| 2016 | 444 |
| 2017 | 462 |
| 2018 | 478 |
| 2019 | 465 |
| 2020 | 556 |
| 2021 | 694 |
| 2022 | 636 |
| 2023 | 630 |
| 2024 | 217 |