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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 6 |
| 1965 | 13 |
| 1966 | 23 |
| 1967 | 21 |
| 1968 | 33 |
| 1969 | 17 |
| 1970 | 39 |
| 1971 | 35 |
| 1972 | 51 |
| 1973 | 75 |
| 1974 | 81 |
| 1975 | 66 |
| 1976 | 120 |
| 1977 | 98 |
| 1978 | 100 |
| 1979 | 71 |
| 1980 | 100 |
| 1981 | 120 |
| 1982 | 114 |
| 1983 | 115 |
| 1984 | 132 |
| 1985 | 120 |
| 1986 | 139 |
| 1987 | 114 |
| 1988 | 108 |
| 1989 | 114 |
| 1990 | 127 |
| 1991 | 149 |
| 1992 | 140 |
| 1993 | 148 |
| 1994 | 152 |
| 1995 | 172 |
| 1996 | 175 |
| 1997 | 198 |
| 1998 | 225 |
| 1999 | 190 |
| 2000 | 216 |
| 2001 | 248 |
| 2002 | 291 |
| 2003 | 284 |
| 2004 | 282 |
| 2005 | 316 |
| 2006 | 338 |
| 2007 | 385 |
| 2008 | 343 |
| 2009 | 355 |
| 2010 | 407 |
| 2011 | 493 |
| 2012 | 454 |
| 2013 | 465 |
| 2014 | 516 |
| 2015 | 507 |
| 2016 | 499 |
| 2017 | 457 |
| 2018 | 514 |
| 2019 | 481 |
| 2020 | 448 |
| 2021 | 379 |
| 2022 | 330 |
| 2023 | 264 |
| 2024 | 89 |