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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 1 |
| 1953 | 2 |
| 1960 | 1 |
| 1962 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1969 | 1 |
| 1972 | 2 |
| 1973 | 3 |
| 1974 | 7 |
| 1975 | 53 |
| 1976 | 48 |
| 1977 | 56 |
| 1978 | 49 |
| 1979 | 48 |
| 1980 | 59 |
| 1981 | 101 |
| 1982 | 113 |
| 1983 | 125 |
| 1984 | 144 |
| 1985 | 135 |
| 1986 | 125 |
| 1987 | 135 |
| 1988 | 139 |
| 1989 | 155 |
| 1990 | 183 |
| 1991 | 188 |
| 1992 | 196 |
| 1993 | 188 |
| 1994 | 197 |
| 1995 | 213 |
| 1996 | 231 |
| 1997 | 206 |
| 1998 | 205 |
| 1999 | 241 |
| 2000 | 269 |
| 2001 | 279 |
| 2002 | 317 |
| 2003 | 278 |
| 2004 | 333 |
| 2005 | 370 |
| 2006 | 346 |
| 2007 | 373 |
| 2008 | 415 |
| 2009 | 396 |
| 2010 | 411 |
| 2011 | 476 |
| 2012 | 567 |
| 2013 | 591 |
| 2014 | 540 |
| 2015 | 615 |
| 2016 | 447 |
| 2017 | 314 |
| 2018 | 486 |
| 2019 | 463 |
| 2020 | 473 |
| 2021 | 504 |
| 2022 | 528 |
| 2023 | 408 |
| 2024 | 64 |