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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1965 | 5 |
| 1966 | 17 |
| 1967 | 21 |
| 1968 | 19 |
| 1969 | 29 |
| 1970 | 23 |
| 1971 | 29 |
| 1972 | 30 |
| 1973 | 29 |
| 1974 | 23 |
| 1975 | 24 |
| 1976 | 29 |
| 1977 | 32 |
| 1978 | 37 |
| 1979 | 36 |
| 1980 | 25 |
| 1981 | 34 |
| 1982 | 40 |
| 1983 | 41 |
| 1984 | 77 |
| 1985 | 63 |
| 1986 | 74 |
| 1987 | 110 |
| 1988 | 118 |
| 1989 | 148 |
| 1990 | 185 |
| 1991 | 206 |
| 1992 | 273 |
| 1993 | 330 |
| 1994 | 383 |
| 1995 | 427 |
| 1996 | 470 |
| 1997 | 490 |
| 1998 | 548 |
| 1999 | 583 |
| 2000 | 673 |
| 2001 | 704 |
| 2002 | 679 |
| 2003 | 761 |
| 2004 | 816 |
| 2005 | 898 |
| 2006 | 971 |
| 2007 | 961 |
| 2008 | 964 |
| 2009 | 1082 |
| 2010 | 1152 |
| 2011 | 1316 |
| 2012 | 1473 |
| 2013 | 1547 |
| 2014 | 1725 |
| 2015 | 1895 |
| 2016 | 1888 |
| 2017 | 1787 |
| 2018 | 1849 |
| 2019 | 2051 |
| 2020 | 2307 |
| 2021 | 2176 |
| 2022 | 2109 |
| 2023 | 1975 |
| 2024 | 664 |