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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 3 |
| 1984 | 6 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 13 |
| 1988 | 10 |
| 1989 | 6 |
| 1990 | 10 |
| 1991 | 10 |
| 1992 | 15 |
| 1993 | 19 |
| 1994 | 21 |
| 1995 | 28 |
| 1996 | 19 |
| 1997 | 30 |
| 1998 | 33 |
| 1999 | 37 |
| 2000 | 46 |
| 2001 | 54 |
| 2002 | 74 |
| 2003 | 97 |
| 2004 | 100 |
| 2005 | 138 |
| 2006 | 193 |
| 2007 | 220 |
| 2008 | 251 |
| 2009 | 273 |
| 2010 | 367 |
| 2011 | 431 |
| 2012 | 514 |
| 2013 | 624 |
| 2014 | 732 |
| 2015 | 772 |
| 2016 | 875 |
| 2017 | 909 |
| 2018 | 1144 |
| 2019 | 1370 |
| 2020 | 1649 |
| 2021 | 1948 |
| 2022 | 2346 |
| 2023 | 1122 |