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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 1 |
| 1966 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 4 |
| 1976 | 8 |
| 1978 | 12 |
| 1979 | 8 |
| 1980 | 9 |
| 1981 | 8 |
| 1982 | 9 |
| 1983 | 10 |
| 1984 | 5 |
| 1985 | 8 |
| 1986 | 9 |
| 1987 | 18 |
| 1988 | 19 |
| 1989 | 30 |
| 1990 | 33 |
| 1991 | 66 |
| 1992 | 72 |
| 1993 | 101 |
| 1994 | 106 |
| 1995 | 132 |
| 1996 | 150 |
| 1997 | 184 |
| 1998 | 167 |
| 1999 | 185 |
| 2000 | 219 |
| 2001 | 249 |
| 2002 | 306 |
| 2003 | 310 |
| 2004 | 358 |
| 2005 | 535 |
| 2006 | 636 |
| 2007 | 767 |
| 2008 | 956 |
| 2009 | 1070 |
| 2010 | 1307 |
| 2011 | 1641 |
| 2012 | 1865 |
| 2013 | 2192 |
| 2014 | 2578 |
| 2015 | 2960 |
| 2016 | 3222 |
| 2017 | 3730 |
| 2018 | 4051 |
| 2019 | 4826 |
| 2020 | 5820 |
| 2021 | 6891 |
| 2022 | 8096 |
| 2023 | 7937 |
| 2024 | 7903 |
| 2025 | 44 |