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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1957 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 3 |
| 1967 | 2 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 4 |
| 1973 | 5 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 6 |
| 1979 | 13 |
| 1980 | 11 |
| 1981 | 16 |
| 1982 | 21 |
| 1983 | 28 |
| 1984 | 24 |
| 1985 | 35 |
| 1986 | 43 |
| 1987 | 65 |
| 1988 | 64 |
| 1989 | 61 |
| 1990 | 72 |
| 1991 | 85 |
| 1992 | 85 |
| 1993 | 88 |
| 1994 | 119 |
| 1995 | 127 |
| 1996 | 165 |
| 1997 | 166 |
| 1998 | 182 |
| 1999 | 201 |
| 2000 | 254 |
| 2001 | 277 |
| 2002 | 305 |
| 2003 | 428 |
| 2004 | 482 |
| 2005 | 652 |
| 2006 | 775 |
| 2007 | 822 |
| 2008 | 1054 |
| 2009 | 1288 |
| 2010 | 1556 |
| 2011 | 1842 |
| 2012 | 2293 |
| 2013 | 2753 |
| 2014 | 3192 |
| 2015 | 3608 |
| 2016 | 3886 |
| 2017 | 4146 |
| 2018 | 4814 |
| 2019 | 5331 |
| 2020 | 6575 |
| 2021 | 7520 |
| 2022 | 8511 |
| 2023 | 4030 |