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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1966 | 1 |
| 1970 | 1 |
| 1973 | 2 |
| 1975 | 2 |
| 1978 | 3 |
| 1979 | 1 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 10 |
| 1986 | 10 |
| 1987 | 12 |
| 1988 | 12 |
| 1989 | 17 |
| 1990 | 8 |
| 1991 | 15 |
| 1992 | 16 |
| 1993 | 12 |
| 1994 | 19 |
| 1995 | 23 |
| 1996 | 31 |
| 1997 | 41 |
| 1998 | 49 |
| 1999 | 58 |
| 2000 | 82 |
| 2001 | 92 |
| 2002 | 112 |
| 2003 | 169 |
| 2004 | 171 |
| 2005 | 234 |
| 2006 | 315 |
| 2007 | 332 |
| 2008 | 367 |
| 2009 | 431 |
| 2010 | 499 |
| 2011 | 541 |
| 2012 | 619 |
| 2013 | 734 |
| 2014 | 689 |
| 2015 | 814 |
| 2016 | 766 |
| 2017 | 780 |
| 2018 | 802 |
| 2019 | 869 |
| 2020 | 912 |
| 2021 | 937 |
| 2022 | 892 |
| 2023 | 387 |