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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 2 |
| 1979 | 3 |
| 1980 | 7 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 7 |
| 1984 | 5 |
| 1985 | 11 |
| 1986 | 21 |
| 1987 | 12 |
| 1988 | 11 |
| 1989 | 18 |
| 1990 | 14 |
| 1991 | 15 |
| 1992 | 21 |
| 1993 | 15 |
| 1994 | 32 |
| 1995 | 31 |
| 1996 | 31 |
| 1997 | 40 |
| 1998 | 27 |
| 1999 | 49 |
| 2000 | 33 |
| 2001 | 47 |
| 2002 | 35 |
| 2003 | 51 |
| 2004 | 68 |
| 2005 | 102 |
| 2006 | 98 |
| 2007 | 101 |
| 2008 | 137 |
| 2009 | 106 |
| 2010 | 111 |
| 2011 | 129 |
| 2012 | 137 |
| 2013 | 168 |
| 2014 | 208 |
| 2015 | 230 |
| 2016 | 175 |
| 2017 | 178 |
| 2018 | 220 |
| 2019 | 214 |
| 2020 | 267 |
| 2021 | 286 |
| 2022 | 312 |
| 2023 | 274 |
| 2024 | 298 |
| 2025 | 175 |