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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 8 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 2 |
| 1975 | 3 |
| 1976 | 4 |
| 1977 | 5 |
| 1978 | 2 |
| 1979 | 5 |
| 1980 | 7 |
| 1981 | 17 |
| 1982 | 30 |
| 1983 | 32 |
| 1984 | 10 |
| 1985 | 11 |
| 1986 | 9 |
| 1987 | 8 |
| 1988 | 12 |
| 1989 | 9 |
| 1990 | 21 |
| 1991 | 33 |
| 1992 | 49 |
| 1993 | 61 |
| 1994 | 140 |
| 1995 | 571 |
| 1996 | 973 |
| 1997 | 1200 |
| 1998 | 1562 |
| 1999 | 1736 |
| 2000 | 1872 |
| 2001 | 1939 |
| 2002 | 1683 |
| 2003 | 1887 |
| 2004 | 2024 |
| 2005 | 2089 |
| 2006 | 2046 |
| 2007 | 1961 |
| 2008 | 2002 |
| 2009 | 1866 |
| 2010 | 2140 |
| 2011 | 2308 |
| 2012 | 2067 |
| 2013 | 1819 |
| 2014 | 1615 |
| 2015 | 1449 |
| 2016 | 1274 |
| 2017 | 1126 |
| 2018 | 1095 |
| 2019 | 1090 |
| 2020 | 1105 |
| 2021 | 793 |
| 2022 | 298 |
| 2023 | 236 |
| 2024 | 70 |