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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1977 | 3 |
| 1978 | 15 |
| 1979 | 20 |
| 1980 | 12 |
| 1981 | 17 |
| 1982 | 18 |
| 1983 | 20 |
| 1984 | 30 |
| 1985 | 27 |
| 1986 | 30 |
| 1987 | 31 |
| 1988 | 44 |
| 1989 | 45 |
| 1990 | 41 |
| 1991 | 35 |
| 1992 | 43 |
| 1993 | 37 |
| 1994 | 33 |
| 1995 | 43 |
| 1996 | 28 |
| 1997 | 50 |
| 1998 | 38 |
| 1999 | 39 |
| 2000 | 53 |
| 2001 | 43 |
| 2002 | 43 |
| 2003 | 65 |
| 2004 | 49 |
| 2005 | 70 |
| 2006 | 115 |
| 2007 | 131 |
| 2008 | 125 |
| 2009 | 100 |
| 2010 | 110 |
| 2011 | 155 |
| 2012 | 162 |
| 2013 | 144 |
| 2014 | 135 |
| 2015 | 145 |
| 2016 | 150 |
| 2017 | 146 |
| 2018 | 122 |
| 2019 | 100 |
| 2020 | 81 |
| 2021 | 50 |
| 2022 | 40 |
| 2023 | 63 |
| 2024 | 140 |
| 2025 | 178 |