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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 1 |
| 1978 | 3 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1988 | 4 |
| 1989 | 4 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 1 |
| 1993 | 4 |
| 1994 | 6 |
| 1995 | 6 |
| 1996 | 6 |
| 1997 | 12 |
| 1998 | 24 |
| 1999 | 26 |
| 2000 | 33 |
| 2001 | 43 |
| 2002 | 52 |
| 2003 | 56 |
| 2004 | 50 |
| 2005 | 73 |
| 2006 | 97 |
| 2007 | 104 |
| 2008 | 133 |
| 2009 | 145 |
| 2010 | 178 |
| 2011 | 162 |
| 2012 | 197 |
| 2013 | 199 |
| 2014 | 226 |
| 2015 | 226 |
| 2016 | 210 |
| 2017 | 234 |
| 2018 | 241 |
| 2019 | 233 |
| 2020 | 207 |
| 2021 | 256 |
| 2022 | 214 |
| 2023 | 214 |
| 2024 | 203 |
| 2025 | 171 |