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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 4 |
| 1978 | 26 |
| 1979 | 51 |
| 1980 | 26 |
| 1981 | 16 |
| 1982 | 31 |
| 1983 | 18 |
| 1984 | 23 |
| 1985 | 15 |
| 1986 | 25 |
| 1987 | 17 |
| 1988 | 23 |
| 1989 | 18 |
| 1990 | 16 |
| 1991 | 18 |
| 1992 | 26 |
| 1993 | 33 |
| 1994 | 32 |
| 1995 | 33 |
| 1996 | 36 |
| 1997 | 52 |
| 1998 | 48 |
| 1999 | 58 |
| 2000 | 69 |
| 2001 | 105 |
| 2002 | 82 |
| 2003 | 79 |
| 2004 | 104 |
| 2005 | 131 |
| 2006 | 105 |
| 2007 | 93 |
| 2008 | 90 |
| 2009 | 90 |
| 2010 | 116 |
| 2011 | 109 |
| 2012 | 97 |
| 2013 | 112 |
| 2014 | 114 |
| 2015 | 108 |
| 2016 | 97 |
| 2017 | 85 |
| 2018 | 71 |
| 2019 | 94 |
| 2020 | 73 |
| 2021 | 35 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 74 |
| 2025 | 55 |