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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 15 |
| 1966 | 33 |
| 1967 | 43 |
| 1968 | 48 |
| 1969 | 59 |
| 1970 | 53 |
| 1971 | 86 |
| 1972 | 72 |
| 1973 | 58 |
| 1974 | 55 |
| 1975 | 49 |
| 1976 | 53 |
| 1977 | 59 |
| 1978 | 72 |
| 1979 | 96 |
| 1980 | 76 |
| 1981 | 91 |
| 1982 | 65 |
| 1983 | 85 |
| 1984 | 91 |
| 1985 | 108 |
| 1986 | 91 |
| 1987 | 115 |
| 1988 | 100 |
| 1989 | 124 |
| 1990 | 128 |
| 1991 | 119 |
| 1992 | 125 |
| 1993 | 133 |
| 1994 | 128 |
| 1995 | 141 |
| 1996 | 124 |
| 1997 | 181 |
| 1998 | 162 |
| 1999 | 150 |
| 2000 | 167 |
| 2001 | 182 |
| 2002 | 214 |
| 2003 | 194 |
| 2004 | 186 |
| 2005 | 158 |
| 2006 | 242 |
| 2007 | 286 |
| 2008 | 262 |
| 2009 | 375 |
| 2010 | 384 |
| 2011 | 376 |
| 2012 | 421 |
| 2013 | 541 |
| 2014 | 518 |
| 2015 | 541 |
| 2016 | 519 |
| 2017 | 488 |
| 2018 | 482 |
| 2019 | 535 |
| 2020 | 616 |
| 2021 | 673 |
| 2022 | 693 |
| 2023 | 436 |
| 2024 | 146 |