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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 71 |
| 1962 | 71 |
| 1965 | 51 |
| 1966 | 46 |
| 1967 | 37 |
| 1968 | 43 |
| 1969 | 83 |
| 1970 | 53 |
| 1971 | 59 |
| 1972 | 72 |
| 1973 | 73 |
| 1974 | 78 |
| 1975 | 95 |
| 1976 | 76 |
| 1977 | 93 |
| 1978 | 97 |
| 1979 | 105 |
| 1980 | 122 |
| 1981 | 139 |
| 1982 | 179 |
| 1983 | 164 |
| 1984 | 163 |
| 1985 | 171 |
| 1986 | 145 |
| 1987 | 211 |
| 1988 | 196 |
| 1989 | 212 |
| 1990 | 188 |
| 1991 | 214 |
| 1992 | 264 |
| 1993 | 233 |
| 1994 | 197 |
| 1995 | 157 |
| 1996 | 171 |
| 1997 | 163 |
| 1998 | 145 |
| 1999 | 139 |
| 2000 | 161 |
| 2001 | 144 |
| 2002 | 143 |
| 2003 | 145 |
| 2004 | 146 |
| 2005 | 158 |
| 2006 | 160 |
| 2007 | 188 |
| 2008 | 156 |
| 2009 | 141 |
| 2010 | 125 |
| 2011 | 139 |
| 2012 | 320 |
| 2013 | 287 |
| 2014 | 252 |
| 2015 | 343 |
| 2016 | 271 |
| 2017 | 265 |
| 2018 | 322 |
| 2019 | 404 |
| 2020 | 499 |
| 2021 | 520 |
| 2022 | 419 |
| 2023 | 331 |
| 2024 | 197 |