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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1966 | 1 |
| 1974 | 1 |
| 1977 | 1 |
| 1978 | 3 |
| 1980 | 7 |
| 1981 | 8 |
| 1982 | 6 |
| 1983 | 20 |
| 1984 | 10 |
| 1985 | 11 |
| 1986 | 18 |
| 1987 | 21 |
| 1988 | 25 |
| 1989 | 61 |
| 1990 | 112 |
| 1991 | 300 |
| 1992 | 374 |
| 1993 | 255 |
| 1994 | 268 |
| 1995 | 374 |
| 1996 | 265 |
| 1997 | 225 |
| 1998 | 222 |
| 1999 | 277 |
| 2000 | 238 |
| 2001 | 383 |
| 2002 | 342 |
| 2003 | 374 |
| 2004 | 430 |
| 2005 | 436 |
| 2006 | 703 |
| 2007 | 897 |
| 2008 | 902 |
| 2009 | 882 |
| 2010 | 915 |
| 2011 | 927 |
| 2012 | 935 |
| 2013 | 1021 |
| 2014 | 1091 |
| 2015 | 987 |
| 2016 | 947 |
| 2017 | 957 |
| 2018 | 995 |
| 2019 | 1043 |
| 2020 | 772 |
| 2021 | 377 |
| 2022 | 238 |
| 2023 | 168 |
| 2024 | 115 |