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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 22 |
| 1966 | 26 |
| 1967 | 30 |
| 1968 | 29 |
| 1969 | 22 |
| 1970 | 27 |
| 1971 | 30 |
| 1972 | 27 |
| 1973 | 32 |
| 1974 | 26 |
| 1975 | 41 |
| 1976 | 33 |
| 1977 | 52 |
| 1978 | 32 |
| 1979 | 41 |
| 1980 | 54 |
| 1981 | 50 |
| 1982 | 69 |
| 1983 | 58 |
| 1984 | 49 |
| 1985 | 78 |
| 1986 | 66 |
| 1987 | 75 |
| 1988 | 91 |
| 1989 | 88 |
| 1990 | 91 |
| 1991 | 81 |
| 1992 | 65 |
| 1993 | 100 |
| 1994 | 70 |
| 1995 | 90 |
| 1996 | 128 |
| 1997 | 90 |
| 1998 | 110 |
| 1999 | 127 |
| 2000 | 117 |
| 2001 | 146 |
| 2002 | 171 |
| 2003 | 112 |
| 2004 | 139 |
| 2005 | 175 |
| 2006 | 169 |
| 2007 | 211 |
| 2008 | 190 |
| 2009 | 244 |
| 2010 | 297 |
| 2011 | 339 |
| 2012 | 363 |
| 2013 | 361 |
| 2014 | 413 |
| 2015 | 451 |
| 2016 | 481 |
| 2017 | 567 |
| 2018 | 608 |
| 2019 | 702 |
| 2020 | 745 |
| 2021 | 1054 |
| 2022 | 1330 |
| 2023 | 1092 |
| 2024 | 306 |