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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1970 | 1 |
| 1979 | 3 |
| 1980 | 8 |
| 1981 | 6 |
| 1982 | 8 |
| 1983 | 13 |
| 1984 | 15 |
| 1985 | 34 |
| 1986 | 28 |
| 1987 | 32 |
| 1988 | 52 |
| 1989 | 54 |
| 1990 | 46 |
| 1991 | 60 |
| 1992 | 71 |
| 1993 | 70 |
| 1994 | 103 |
| 1995 | 104 |
| 1996 | 137 |
| 1997 | 119 |
| 1998 | 141 |
| 1999 | 150 |
| 2000 | 205 |
| 2001 | 223 |
| 2002 | 242 |
| 2003 | 286 |
| 2004 | 403 |
| 2005 | 507 |
| 2006 | 639 |
| 2007 | 700 |
| 2008 | 835 |
| 2009 | 938 |
| 2010 | 1054 |
| 2011 | 1242 |
| 2012 | 1496 |
| 2013 | 1709 |
| 2014 | 1974 |
| 2015 | 2084 |
| 2016 | 2312 |
| 2017 | 2592 |
| 2018 | 3091 |
| 2019 | 3447 |
| 2020 | 4109 |
| 2021 | 4862 |
| 2022 | 5967 |
| 2023 | 1610 |