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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1960 | 23 |
| 1961 | 27 |
| 1962 | 37 |
| 1963 | 40 |
| 1964 | 57 |
| 1965 | 48 |
| 1966 | 54 |
| 1967 | 56 |
| 1968 | 80 |
| 1969 | 102 |
| 1970 | 113 |
| 1971 | 154 |
| 1972 | 149 |
| 1973 | 175 |
| 1974 | 187 |
| 1975 | 204 |
| 1976 | 203 |
| 1977 | 197 |
| 1978 | 234 |
| 1979 | 259 |
| 1980 | 215 |
| 1981 | 238 |
| 1982 | 222 |
| 1983 | 264 |
| 1984 | 274 |
| 1985 | 273 |
| 1986 | 243 |
| 1987 | 260 |
| 1988 | 269 |
| 1989 | 260 |
| 1990 | 278 |
| 1991 | 269 |
| 1992 | 268 |
| 1993 | 249 |
| 1994 | 281 |
| 1995 | 261 |
| 1996 | 280 |
| 1997 | 254 |
| 1998 | 215 |
| 1999 | 255 |
| 2000 | 250 |
| 2001 | 267 |
| 2002 | 249 |
| 2003 | 255 |
| 2004 | 269 |
| 2005 | 310 |
| 2006 | 303 |
| 2007 | 323 |
| 2008 | 312 |
| 2009 | 325 |
| 2010 | 382 |
| 2011 | 407 |
| 2012 | 405 |
| 2013 | 389 |
| 2014 | 406 |
| 2015 | 447 |
| 2016 | 402 |
| 2017 | 382 |
| 2018 | 404 |
| 2019 | 438 |
| 2020 | 504 |
| 2021 | 581 |
| 2022 | 541 |
| 2023 | 538 |
| 2024 | 250 |