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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 59 |
| 1960 | 149 |
| 1961 | 161 |
| 1962 | 114 |
| 1963 | 2 |
| 1964 | 14 |
| 1965 | 109 |
| 1966 | 276 |
| 1967 | 387 |
| 1968 | 478 |
| 1969 | 492 |
| 1970 | 450 |
| 1971 | 549 |
| 1972 | 646 |
| 1973 | 664 |
| 1974 | 913 |
| 1975 | 883 |
| 1976 | 1003 |
| 1977 | 1056 |
| 1978 | 1258 |
| 1979 | 1254 |
| 1980 | 1434 |
| 1981 | 1436 |
| 1982 | 1620 |
| 1983 | 1681 |
| 1984 | 1938 |
| 1985 | 2324 |
| 1986 | 2397 |
| 1987 | 2587 |
| 1988 | 3000 |
| 1989 | 3681 |
| 1990 | 4304 |
| 1991 | 4695 |
| 1992 | 5366 |
| 1993 | 6175 |
| 1994 | 7338 |
| 1995 | 8157 |
| 1996 | 8648 |
| 1997 | 9295 |
| 1998 | 9569 |
| 1999 | 10117 |
| 2000 | 10809 |
| 2001 | 11910 |
| 2002 | 12117 |
| 2003 | 13169 |
| 2004 | 13984 |
| 2005 | 14864 |
| 2006 | 15167 |
| 2007 | 16002 |
| 2008 | 17089 |
| 2009 | 18262 |
| 2010 | 18887 |
| 2011 | 20777 |
| 2012 | 22177 |
| 2013 | 22271 |
| 2014 | 21040 |
| 2015 | 20486 |
| 2016 | 19517 |
| 2017 | 18419 |
| 2018 | 17204 |
| 2019 | 16464 |
| 2020 | 15007 |
| 2021 | 11922 |
| 2022 | 9148 |
| 2023 | 6557 |
| 2024 | 2493 |