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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1976 | 6 |
| 1977 | 5 |
| 1978 | 11 |
| 1979 | 17 |
| 1980 | 23 |
| 1981 | 23 |
| 1982 | 31 |
| 1983 | 26 |
| 1984 | 24 |
| 1985 | 27 |
| 1986 | 23 |
| 1987 | 31 |
| 1988 | 28 |
| 1989 | 41 |
| 1990 | 32 |
| 1991 | 52 |
| 1992 | 41 |
| 1993 | 33 |
| 1994 | 56 |
| 1995 | 27 |
| 1996 | 54 |
| 1997 | 54 |
| 1998 | 79 |
| 1999 | 85 |
| 2000 | 75 |
| 2001 | 39 |
| 2002 | 55 |
| 2003 | 81 |
| 2004 | 65 |
| 2005 | 91 |
| 2006 | 90 |
| 2007 | 102 |
| 2008 | 120 |
| 2009 | 107 |
| 2010 | 111 |
| 2011 | 142 |
| 2012 | 142 |
| 2013 | 180 |
| 2014 | 208 |
| 2015 | 176 |
| 2016 | 147 |
| 2017 | 171 |
| 2018 | 158 |
| 2019 | 151 |
| 2020 | 156 |
| 2021 | 90 |
| 2022 | 14 |
| 2023 | 20 |
| 2024 | 58 |
| 2025 | 125 |