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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1965 | 1 |
| 1969 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 5 |
| 1977 | 6 |
| 1978 | 8 |
| 1979 | 5 |
| 1980 | 3 |
| 1981 | 5 |
| 1982 | 5 |
| 1983 | 9 |
| 1984 | 9 |
| 1985 | 24 |
| 1986 | 21 |
| 1987 | 15 |
| 1988 | 14 |
| 1989 | 11 |
| 1990 | 15 |
| 1991 | 13 |
| 1992 | 19 |
| 1993 | 29 |
| 1994 | 26 |
| 1995 | 31 |
| 1996 | 34 |
| 1997 | 40 |
| 1998 | 26 |
| 1999 | 39 |
| 2000 | 47 |
| 2001 | 41 |
| 2002 | 57 |
| 2003 | 83 |
| 2004 | 106 |
| 2005 | 159 |
| 2006 | 178 |
| 2007 | 155 |
| 2008 | 145 |
| 2009 | 132 |
| 2010 | 171 |
| 2011 | 184 |
| 2012 | 203 |
| 2013 | 243 |
| 2014 | 282 |
| 2015 | 358 |
| 2016 | 384 |
| 2017 | 388 |
| 2018 | 394 |
| 2019 | 419 |
| 2020 | 504 |
| 2021 | 535 |
| 2022 | 620 |
| 2023 | 443 |