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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 | 1 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 6 |
| 1983 | 5 |
| 1984 | 4 |
| 1985 | 4 |
| 1986 | 9 |
| 1987 | 20 |
| 1988 | 20 |
| 1989 | 22 |
| 1990 | 27 |
| 1991 | 27 |
| 1992 | 40 |
| 1993 | 49 |
| 1994 | 42 |
| 1995 | 44 |
| 1996 | 54 |
| 1997 | 50 |
| 1998 | 57 |
| 1999 | 56 |
| 2000 | 74 |
| 2001 | 78 |
| 2002 | 73 |
| 2003 | 103 |
| 2004 | 113 |
| 2005 | 135 |
| 2006 | 154 |
| 2007 | 185 |
| 2008 | 213 |
| 2009 | 213 |
| 2010 | 268 |
| 2011 | 304 |
| 2012 | 316 |
| 2013 | 393 |
| 2014 | 497 |
| 2015 | 511 |
| 2016 | 570 |
| 2017 | 645 |
| 2018 | 714 |
| 2019 | 825 |
| 2020 | 966 |
| 2021 | 1070 |
| 2022 | 1129 |
| 2023 | 532 |