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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1968 | 3 |
| 1969 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 5 |
| 1981 | 6 |
| 1982 | 1 |
| 1983 | 5 |
| 1984 | 7 |
| 1985 | 8 |
| 1986 | 6 |
| 1987 | 9 |
| 1988 | 14 |
| 1989 | 15 |
| 1990 | 15 |
| 1991 | 15 |
| 1992 | 21 |
| 1993 | 26 |
| 1994 | 27 |
| 1995 | 40 |
| 1996 | 40 |
| 1997 | 40 |
| 1998 | 56 |
| 1999 | 60 |
| 2000 | 80 |
| 2001 | 82 |
| 2002 | 83 |
| 2003 | 130 |
| 2004 | 151 |
| 2005 | 181 |
| 2006 | 248 |
| 2007 | 277 |
| 2008 | 285 |
| 2009 | 339 |
| 2010 | 409 |
| 2011 | 468 |
| 2012 | 544 |
| 2013 | 578 |
| 2014 | 605 |
| 2015 | 694 |
| 2016 | 687 |
| 2017 | 758 |
| 2018 | 815 |
| 2019 | 854 |
| 2020 | 1018 |
| 2021 | 1114 |
| 2022 | 1210 |
| 2023 | 550 |