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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 3 |
| 1964 | 1 |
| 1965 | 12 |
| 1966 | 133 |
| 1967 | 256 |
| 1968 | 322 |
| 1969 | 364 |
| 1970 | 273 |
| 1971 | 301 |
| 1972 | 280 |
| 1973 | 259 |
| 1974 | 267 |
| 1975 | 155 |
| 1976 | 110 |
| 1977 | 112 |
| 1978 | 119 |
| 1979 | 120 |
| 1980 | 140 |
| 1981 | 105 |
| 1982 | 141 |
| 1983 | 111 |
| 1984 | 159 |
| 1985 | 115 |
| 1986 | 121 |
| 1987 | 148 |
| 1988 | 154 |
| 1989 | 134 |
| 1990 | 136 |
| 1991 | 142 |
| 1992 | 173 |
| 1993 | 199 |
| 1994 | 233 |
| 1995 | 324 |
| 1996 | 615 |
| 1997 | 833 |
| 1998 | 929 |
| 1999 | 901 |
| 2000 | 1007 |
| 2001 | 911 |
| 2002 | 968 |
| 2003 | 1168 |
| 2004 | 1357 |
| 2005 | 1630 |
| 2006 | 1876 |
| 2007 | 1915 |
| 2008 | 1837 |
| 2009 | 1913 |
| 2010 | 1940 |
| 2011 | 2023 |
| 2012 | 2188 |
| 2013 | 2176 |
| 2014 | 2234 |
| 2015 | 2311 |
| 2016 | 2228 |
| 2017 | 2240 |
| 2018 | 2407 |
| 2019 | 2289 |
| 2020 | 2220 |
| 2021 | 1656 |
| 2022 | 1030 |
| 2023 | 991 |
| 2024 | 340 |