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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1973 | 1 |
| 1975 | 3 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1985 | 4 |
| 1986 | 3 |
| 1987 | 4 |
| 1988 | 12 |
| 1989 | 13 |
| 1990 | 18 |
| 1991 | 14 |
| 1992 | 14 |
| 1993 | 12 |
| 1994 | 12 |
| 1995 | 12 |
| 1996 | 20 |
| 1997 | 19 |
| 1998 | 38 |
| 1999 | 36 |
| 2000 | 54 |
| 2001 | 75 |
| 2002 | 70 |
| 2003 | 87 |
| 2004 | 92 |
| 2005 | 132 |
| 2006 | 144 |
| 2007 | 140 |
| 2008 | 181 |
| 2009 | 180 |
| 2010 | 217 |
| 2011 | 271 |
| 2012 | 286 |
| 2013 | 281 |
| 2014 | 330 |
| 2015 | 437 |
| 2016 | 457 |
| 2017 | 475 |
| 2018 | 549 |
| 2019 | 583 |
| 2020 | 615 |
| 2021 | 728 |
| 2022 | 685 |
| 2023 | 728 |
| 2024 | 401 |