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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1963 | 6 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1973 | 1 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 2 |
| 1979 | 6 |
| 1980 | 2 |
| 1981 | 7 |
| 1982 | 6 |
| 1983 | 4 |
| 1984 | 11 |
| 1985 | 17 |
| 1986 | 16 |
| 1987 | 12 |
| 1988 | 15 |
| 1989 | 32 |
| 1990 | 27 |
| 1991 | 17 |
| 1992 | 26 |
| 1993 | 29 |
| 1994 | 38 |
| 1995 | 35 |
| 1996 | 45 |
| 1997 | 44 |
| 1998 | 47 |
| 1999 | 42 |
| 2000 | 64 |
| 2001 | 55 |
| 2002 | 73 |
| 2003 | 122 |
| 2004 | 146 |
| 2005 | 160 |
| 2006 | 161 |
| 2007 | 155 |
| 2008 | 149 |
| 2009 | 152 |
| 2010 | 187 |
| 2011 | 180 |
| 2012 | 224 |
| 2013 | 263 |
| 2014 | 355 |
| 2015 | 325 |
| 2016 | 354 |
| 2017 | 410 |
| 2018 | 520 |
| 2019 | 591 |
| 2020 | 646 |
| 2021 | 812 |
| 2022 | 887 |
| 2023 | 403 |