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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 2 |
| 1966 | 3 |
| 1968 | 3 |
| 1969 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 7 |
| 1976 | 14 |
| 1977 | 5 |
| 1978 | 5 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 7 |
| 1983 | 8 |
| 1984 | 4 |
| 1985 | 7 |
| 1986 | 12 |
| 1987 | 14 |
| 1988 | 8 |
| 1989 | 17 |
| 1990 | 14 |
| 1991 | 22 |
| 1992 | 30 |
| 1993 | 33 |
| 1994 | 32 |
| 1995 | 27 |
| 1996 | 39 |
| 1997 | 48 |
| 1998 | 60 |
| 1999 | 87 |
| 2000 | 87 |
| 2001 | 108 |
| 2002 | 117 |
| 2003 | 193 |
| 2004 | 228 |
| 2005 | 257 |
| 2006 | 318 |
| 2007 | 375 |
| 2008 | 447 |
| 2009 | 497 |
| 2010 | 590 |
| 2011 | 660 |
| 2012 | 778 |
| 2013 | 923 |
| 2014 | 1079 |
| 2015 | 1324 |
| 2016 | 1412 |
| 2017 | 1491 |
| 2018 | 1755 |
| 2019 | 2022 |
| 2020 | 2489 |
| 2021 | 2815 |
| 2022 | 3045 |
| 2023 | 39 |