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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 1 |
| 1978 | 2 |
| 1980 | 5 |
| 1981 | 7 |
| 1982 | 2 |
| 1983 | 4 |
| 1984 | 5 |
| 1985 | 10 |
| 1986 | 10 |
| 1987 | 10 |
| 1988 | 11 |
| 1989 | 13 |
| 1990 | 169 |
| 1991 | 416 |
| 1992 | 471 |
| 1993 | 580 |
| 1994 | 668 |
| 1995 | 683 |
| 1996 | 733 |
| 1997 | 775 |
| 1998 | 838 |
| 1999 | 851 |
| 2000 | 833 |
| 2001 | 843 |
| 2002 | 867 |
| 2003 | 1005 |
| 2004 | 1065 |
| 2005 | 1217 |
| 2006 | 1286 |
| 2007 | 1397 |
| 2008 | 1516 |
| 2009 | 1584 |
| 2010 | 1774 |
| 2011 | 1862 |
| 2012 | 1914 |
| 2013 | 1939 |
| 2014 | 1921 |
| 2015 | 1900 |
| 2016 | 1871 |
| 2017 | 1802 |
| 2018 | 1827 |
| 2019 | 1833 |
| 2020 | 1906 |
| 2021 | 1945 |
| 2022 | 1759 |
| 2023 | 1768 |
| 2024 | 1026 |