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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 2 |
| 1957 | 13 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 12 |
| 1961 | 17 |
| 1962 | 18 |
| 1965 | 13 |
| 1966 | 43 |
| 1967 | 69 |
| 1968 | 91 |
| 1969 | 102 |
| 1970 | 103 |
| 1971 | 126 |
| 1972 | 95 |
| 1973 | 104 |
| 1974 | 135 |
| 1975 | 114 |
| 1976 | 126 |
| 1977 | 141 |
| 1978 | 145 |
| 1979 | 185 |
| 1980 | 154 |
| 1981 | 180 |
| 1982 | 154 |
| 1983 | 197 |
| 1984 | 248 |
| 1985 | 276 |
| 1986 | 269 |
| 1987 | 229 |
| 1988 | 260 |
| 1989 | 305 |
| 1990 | 343 |
| 1991 | 366 |
| 1992 | 394 |
| 1993 | 396 |
| 1994 | 447 |
| 1995 | 415 |
| 1996 | 455 |
| 1997 | 502 |
| 1998 | 567 |
| 1999 | 533 |
| 2000 | 609 |
| 2001 | 676 |
| 2002 | 693 |
| 2003 | 842 |
| 2004 | 901 |
| 2005 | 1028 |
| 2006 | 1118 |
| 2007 | 1217 |
| 2008 | 1262 |
| 2009 | 1559 |
| 2010 | 1781 |
| 2011 | 2001 |
| 2012 | 2371 |
| 2013 | 2447 |
| 2014 | 2550 |
| 2015 | 2698 |
| 2016 | 2572 |
| 2017 | 2482 |
| 2018 | 2613 |
| 2019 | 2820 |
| 2020 | 2661 |
| 2021 | 2151 |
| 2022 | 1230 |
| 2023 | 907 |
| 2024 | 245 |