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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 57 |
| 1966 | 57 |
| 1967 | 63 |
| 1968 | 94 |
| 1969 | 118 |
| 1970 | 135 |
| 1971 | 142 |
| 1972 | 140 |
| 1973 | 167 |
| 1974 | 155 |
| 1975 | 149 |
| 1976 | 163 |
| 1977 | 176 |
| 1978 | 177 |
| 1979 | 176 |
| 1980 | 164 |
| 1981 | 172 |
| 1982 | 156 |
| 1983 | 151 |
| 1984 | 154 |
| 1985 | 151 |
| 1986 | 163 |
| 1987 | 163 |
| 1988 | 165 |
| 1989 | 162 |
| 1990 | 160 |
| 1991 | 144 |
| 1992 | 145 |
| 1993 | 137 |
| 1994 | 135 |
| 1995 | 119 |
| 1996 | 115 |
| 1997 | 119 |
| 1998 | 103 |
| 1999 | 102 |
| 2000 | 97 |
| 2001 | 81 |
| 2002 | 87 |
| 2003 | 72 |
| 2004 | 88 |
| 2005 | 147 |
| 2006 | 186 |
| 2007 | 257 |
| 2008 | 281 |
| 2009 | 266 |
| 2010 | 373 |
| 2011 | 433 |
| 2012 | 475 |
| 2013 | 381 |
| 2014 | 241 |
| 2015 | 260 |
| 2016 | 227 |
| 2017 | 312 |
| 2018 | 253 |
| 2019 | 310 |
| 2020 | 339 |
| 2021 | 362 |
| 2022 | 313 |
| 2023 | 295 |
| 2024 | 308 |
| 2025 | 153 |