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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 2 |
| 1962 | 2 |
| 1964 | 1 |
| 1966 | 3 |
| 1967 | 9 |
| 1968 | 10 |
| 1969 | 9 |
| 1970 | 8 |
| 1971 | 11 |
| 1972 | 11 |
| 1973 | 14 |
| 1974 | 14 |
| 1975 | 16 |
| 1976 | 16 |
| 1977 | 11 |
| 1978 | 14 |
| 1979 | 12 |
| 1980 | 17 |
| 1981 | 29 |
| 1982 | 13 |
| 1983 | 8 |
| 1984 | 26 |
| 1985 | 35 |
| 1986 | 43 |
| 1987 | 64 |
| 1988 | 86 |
| 1989 | 109 |
| 1990 | 158 |
| 1991 | 157 |
| 1992 | 250 |
| 1993 | 264 |
| 1994 | 325 |
| 1995 | 384 |
| 1996 | 435 |
| 1997 | 465 |
| 1998 | 506 |
| 1999 | 572 |
| 2000 | 638 |
| 2001 | 637 |
| 2002 | 722 |
| 2003 | 747 |
| 2004 | 884 |
| 2005 | 961 |
| 2006 | 1072 |
| 2007 | 1121 |
| 2008 | 1294 |
| 2009 | 1275 |
| 2010 | 1502 |
| 2011 | 1478 |
| 2012 | 1672 |
| 2013 | 1670 |
| 2014 | 1924 |
| 2015 | 2084 |
| 2016 | 1980 |
| 2017 | 1801 |
| 2018 | 1790 |
| 2019 | 1887 |
| 2020 | 2114 |
| 2021 | 2326 |
| 2022 | 2733 |
| 2023 | 2687 |
| 2024 | 974 |