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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1959 | 3 |
| 1960 | 11 |
| 1961 | 15 |
| 1962 | 11 |
| 1965 | 12 |
| 1966 | 28 |
| 1967 | 28 |
| 1968 | 30 |
| 1969 | 25 |
| 1970 | 23 |
| 1971 | 17 |
| 1972 | 21 |
| 1973 | 19 |
| 1974 | 60 |
| 1975 | 78 |
| 1976 | 112 |
| 1977 | 73 |
| 1978 | 150 |
| 1979 | 127 |
| 1980 | 169 |
| 1981 | 174 |
| 1982 | 153 |
| 1983 | 164 |
| 1984 | 154 |
| 1985 | 157 |
| 1986 | 214 |
| 1987 | 210 |
| 1988 | 228 |
| 1989 | 302 |
| 1990 | 310 |
| 1991 | 293 |
| 1992 | 280 |
| 1993 | 309 |
| 1994 | 301 |
| 1995 | 349 |
| 1996 | 323 |
| 1997 | 338 |
| 1998 | 395 |
| 1999 | 381 |
| 2000 | 356 |
| 2001 | 419 |
| 2002 | 388 |
| 2003 | 389 |
| 2004 | 400 |
| 2005 | 434 |
| 2006 | 346 |
| 2007 | 364 |
| 2008 | 388 |
| 2009 | 456 |
| 2010 | 610 |
| 2011 | 759 |
| 2012 | 948 |
| 2013 | 965 |
| 2014 | 907 |
| 2015 | 804 |
| 2016 | 776 |
| 2017 | 705 |
| 2018 | 626 |
| 2019 | 608 |
| 2020 | 409 |
| 2021 | 119 |
| 2022 | 10 |
| 2023 | 18 |
| 2024 | 119 |