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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1960 | 1 |
| 1964 | 11 |
| 1965 | 63 |
| 1966 | 77 |
| 1967 | 121 |
| 1968 | 135 |
| 1969 | 151 |
| 1970 | 137 |
| 1971 | 165 |
| 1972 | 200 |
| 1973 | 218 |
| 1974 | 239 |
| 1975 | 235 |
| 1976 | 271 |
| 1977 | 221 |
| 1978 | 178 |
| 1979 | 221 |
| 1980 | 197 |
| 1981 | 157 |
| 1982 | 161 |
| 1983 | 136 |
| 1984 | 129 |
| 1985 | 128 |
| 1986 | 151 |
| 1987 | 122 |
| 1988 | 149 |
| 1989 | 165 |
| 1990 | 219 |
| 1991 | 183 |
| 1992 | 185 |
| 1993 | 191 |
| 1994 | 233 |
| 1995 | 244 |
| 1996 | 209 |
| 1997 | 186 |
| 1998 | 207 |
| 1999 | 260 |
| 2000 | 354 |
| 2001 | 389 |
| 2002 | 359 |
| 2003 | 399 |
| 2004 | 421 |
| 2005 | 402 |
| 2006 | 423 |
| 2007 | 493 |
| 2008 | 469 |
| 2009 | 511 |
| 2010 | 494 |
| 2011 | 660 |
| 2012 | 611 |
| 2013 | 592 |
| 2014 | 568 |
| 2015 | 621 |
| 2016 | 638 |
| 2017 | 568 |
| 2018 | 584 |
| 2019 | 552 |
| 2020 | 484 |
| 2021 | 423 |
| 2022 | 348 |
| 2023 | 354 |
| 2024 | 87 |