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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 2 |
| 1968 | 1 |
| 1970 | 1 |
| 1973 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 5 |
| 1980 | 5 |
| 1981 | 6 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 6 |
| 1985 | 9 |
| 1986 | 11 |
| 1987 | 16 |
| 1988 | 17 |
| 1989 | 26 |
| 1990 | 33 |
| 1991 | 16 |
| 1992 | 23 |
| 1993 | 18 |
| 1994 | 34 |
| 1995 | 44 |
| 1996 | 53 |
| 1997 | 85 |
| 1998 | 100 |
| 1999 | 182 |
| 2000 | 192 |
| 2001 | 269 |
| 2002 | 342 |
| 2003 | 371 |
| 2004 | 452 |
| 2005 | 579 |
| 2006 | 692 |
| 2007 | 719 |
| 2008 | 928 |
| 2009 | 1122 |
| 2010 | 1327 |
| 2011 | 1542 |
| 2012 | 1560 |
| 2013 | 1826 |
| 2014 | 1918 |
| 2015 | 2058 |
| 2016 | 2074 |
| 2017 | 2138 |
| 2018 | 2357 |
| 2019 | 2406 |
| 2020 | 2772 |
| 2021 | 2817 |
| 2022 | 2668 |
| 2023 | 1191 |