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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1966 | 4 |
| 1967 | 8 |
| 1968 | 6 |
| 1969 | 15 |
| 1970 | 21 |
| 1971 | 111 |
| 1972 | 209 |
| 1973 | 203 |
| 1974 | 230 |
| 1975 | 203 |
| 1976 | 173 |
| 1977 | 175 |
| 1978 | 182 |
| 1979 | 147 |
| 1980 | 197 |
| 1981 | 205 |
| 1982 | 190 |
| 1983 | 226 |
| 1984 | 244 |
| 1985 | 282 |
| 1986 | 279 |
| 1987 | 234 |
| 1988 | 234 |
| 1989 | 239 |
| 1990 | 246 |
| 1991 | 279 |
| 1992 | 266 |
| 1993 | 327 |
| 1994 | 301 |
| 1995 | 270 |
| 1996 | 268 |
| 1997 | 274 |
| 1998 | 262 |
| 1999 | 268 |
| 2000 | 326 |
| 2001 | 341 |
| 2002 | 308 |
| 2003 | 314 |
| 2004 | 309 |
| 2005 | 313 |
| 2006 | 346 |
| 2007 | 360 |
| 2008 | 389 |
| 2009 | 376 |
| 2010 | 361 |
| 2011 | 436 |
| 2012 | 463 |
| 2013 | 454 |
| 2014 | 423 |
| 2015 | 437 |
| 2016 | 415 |
| 2017 | 497 |
| 2018 | 555 |
| 2019 | 576 |
| 2020 | 591 |
| 2021 | 662 |
| 2022 | 645 |
| 2023 | 358 |
| 2024 | 662 |