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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1974 | 3 |
| 1976 | 2 |
| 1979 | 5 |
| 1980 | 17 |
| 1981 | 37 |
| 1982 | 39 |
| 1983 | 28 |
| 1984 | 43 |
| 1985 | 46 |
| 1986 | 43 |
| 1987 | 74 |
| 1988 | 83 |
| 1989 | 101 |
| 1990 | 176 |
| 1991 | 229 |
| 1992 | 329 |
| 1993 | 444 |
| 1994 | 568 |
| 1995 | 842 |
| 1996 | 946 |
| 1997 | 1011 |
| 1998 | 1082 |
| 1999 | 1114 |
| 2000 | 1235 |
| 2001 | 1323 |
| 2002 | 1595 |
| 2003 | 2032 |
| 2004 | 2138 |
| 2005 | 2366 |
| 2006 | 2602 |
| 2007 | 3038 |
| 2008 | 3247 |
| 2009 | 3442 |
| 2010 | 3929 |
| 2011 | 4238 |
| 2012 | 4597 |
| 2013 | 4938 |
| 2014 | 5119 |
| 2015 | 5164 |
| 2016 | 4905 |
| 2017 | 4961 |
| 2018 | 5399 |
| 2019 | 6233 |
| 2020 | 6383 |
| 2021 | 5270 |
| 2022 | 4020 |
| 2023 | 3521 |
| 2024 | 1505 |