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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 2 |
| 1959 | 2 |
| 1965 | 8 |
| 1966 | 16 |
| 1967 | 23 |
| 1968 | 48 |
| 1969 | 82 |
| 1970 | 79 |
| 1971 | 111 |
| 1972 | 128 |
| 1973 | 118 |
| 1974 | 124 |
| 1975 | 110 |
| 1976 | 69 |
| 1977 | 84 |
| 1978 | 100 |
| 1979 | 129 |
| 1980 | 105 |
| 1981 | 91 |
| 1982 | 171 |
| 1983 | 170 |
| 1984 | 223 |
| 1985 | 209 |
| 1986 | 224 |
| 1987 | 258 |
| 1988 | 266 |
| 1989 | 252 |
| 1990 | 308 |
| 1991 | 318 |
| 1992 | 362 |
| 1993 | 302 |
| 1994 | 295 |
| 1995 | 293 |
| 1996 | 295 |
| 1997 | 267 |
| 1998 | 263 |
| 1999 | 232 |
| 2000 | 278 |
| 2001 | 271 |
| 2002 | 300 |
| 2003 | 294 |
| 2004 | 276 |
| 2005 | 308 |
| 2006 | 327 |
| 2007 | 282 |
| 2008 | 317 |
| 2009 | 302 |
| 2010 | 332 |
| 2011 | 364 |
| 2012 | 415 |
| 2013 | 361 |
| 2014 | 378 |
| 2015 | 366 |
| 2016 | 291 |
| 2017 | 331 |
| 2018 | 319 |
| 2019 | 338 |
| 2020 | 276 |
| 2021 | 163 |
| 2022 | 21 |
| 2023 | 8 |
| 2024 | 161 |
| 2025 | 139 |