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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 2 |
| 1975 | 17 |
| 1976 | 45 |
| 1977 | 98 |
| 1978 | 78 |
| 1979 | 73 |
| 1980 | 70 |
| 1981 | 86 |
| 1982 | 68 |
| 1983 | 56 |
| 1984 | 86 |
| 1985 | 61 |
| 1986 | 62 |
| 1987 | 57 |
| 1988 | 62 |
| 1989 | 93 |
| 1990 | 83 |
| 1991 | 77 |
| 1992 | 104 |
| 1993 | 114 |
| 1994 | 111 |
| 1995 | 110 |
| 1996 | 98 |
| 1997 | 111 |
| 1998 | 90 |
| 1999 | 114 |
| 2000 | 120 |
| 2001 | 105 |
| 2002 | 87 |
| 2003 | 75 |
| 2004 | 100 |
| 2005 | 87 |
| 2006 | 87 |
| 2007 | 77 |
| 2008 | 71 |
| 2009 | 84 |
| 2010 | 67 |
| 2011 | 73 |
| 2012 | 67 |
| 2013 | 59 |
| 2014 | 54 |
| 2015 | 40 |
| 2016 | 29 |
| 2017 | 25 |
| 2018 | 37 |
| 2019 | 41 |
| 2020 | 25 |
| 2021 | 25 |
| 2022 | 31 |
| 2023 | 24 |
| 2024 | 6 |