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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1965 | 17 |
| 1966 | 27 |
| 1967 | 32 |
| 1968 | 37 |
| 1969 | 40 |
| 1970 | 50 |
| 1971 | 56 |
| 1972 | 57 |
| 1973 | 69 |
| 1974 | 76 |
| 1975 | 51 |
| 1976 | 42 |
| 1977 | 40 |
| 1978 | 48 |
| 1979 | 65 |
| 1980 | 52 |
| 1981 | 69 |
| 1982 | 74 |
| 1983 | 98 |
| 1984 | 93 |
| 1985 | 123 |
| 1986 | 109 |
| 1987 | 124 |
| 1988 | 121 |
| 1989 | 141 |
| 1990 | 158 |
| 1991 | 144 |
| 1992 | 171 |
| 1993 | 178 |
| 1994 | 152 |
| 1995 | 171 |
| 1996 | 149 |
| 1997 | 149 |
| 1998 | 226 |
| 1999 | 201 |
| 2000 | 183 |
| 2001 | 190 |
| 2002 | 217 |
| 2003 | 218 |
| 2004 | 233 |
| 2005 | 257 |
| 2006 | 252 |
| 2007 | 263 |
| 2008 | 271 |
| 2009 | 245 |
| 2010 | 286 |
| 2011 | 333 |
| 2012 | 317 |
| 2013 | 290 |
| 2014 | 278 |
| 2015 | 278 |
| 2016 | 353 |
| 2017 | 327 |
| 2018 | 317 |
| 2019 | 288 |
| 2020 | 538 |
| 2021 | 444 |
| 2022 | 314 |
| 2023 | 212 |
| 2024 | 303 |
| 2025 | 157 |