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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1965 | 4 |
| 1966 | 18 |
| 1967 | 32 |
| 1968 | 55 |
| 1969 | 67 |
| 1970 | 76 |
| 1971 | 57 |
| 1972 | 73 |
| 1973 | 70 |
| 1974 | 76 |
| 1975 | 103 |
| 1976 | 139 |
| 1977 | 174 |
| 1978 | 179 |
| 1979 | 166 |
| 1980 | 188 |
| 1981 | 166 |
| 1982 | 151 |
| 1983 | 176 |
| 1984 | 150 |
| 1985 | 156 |
| 1986 | 184 |
| 1987 | 164 |
| 1988 | 220 |
| 1989 | 263 |
| 1990 | 263 |
| 1991 | 279 |
| 1992 | 291 |
| 1993 | 239 |
| 1994 | 225 |
| 1995 | 210 |
| 1996 | 212 |
| 1997 | 222 |
| 1998 | 258 |
| 1999 | 280 |
| 2000 | 295 |
| 2001 | 276 |
| 2002 | 310 |
| 2003 | 321 |
| 2004 | 289 |
| 2005 | 369 |
| 2006 | 409 |
| 2007 | 449 |
| 2008 | 426 |
| 2009 | 525 |
| 2010 | 529 |
| 2011 | 548 |
| 2012 | 455 |
| 2013 | 546 |
| 2014 | 601 |
| 2015 | 629 |
| 2016 | 568 |
| 2017 | 644 |
| 2018 | 631 |
| 2019 | 684 |
| 2020 | 608 |
| 2021 | 315 |
| 2022 | 34 |
| 2023 | 20 |
| 2024 | 453 |
| 2025 | 364 |