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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 2 |
| 1969 | 9 |
| 1970 | 8 |
| 1971 | 9 |
| 1972 | 8 |
| 1973 | 15 |
| 1974 | 23 |
| 1975 | 17 |
| 1976 | 21 |
| 1977 | 15 |
| 1978 | 23 |
| 1979 | 27 |
| 1980 | 14 |
| 1981 | 23 |
| 1982 | 20 |
| 1983 | 20 |
| 1984 | 28 |
| 1985 | 44 |
| 1986 | 45 |
| 1987 | 37 |
| 1988 | 42 |
| 1989 | 44 |
| 1990 | 42 |
| 1991 | 42 |
| 1992 | 72 |
| 1993 | 66 |
| 1994 | 73 |
| 1995 | 89 |
| 1996 | 97 |
| 1997 | 91 |
| 1998 | 95 |
| 1999 | 93 |
| 2000 | 107 |
| 2001 | 118 |
| 2002 | 122 |
| 2003 | 132 |
| 2004 | 126 |
| 2005 | 177 |
| 2006 | 225 |
| 2007 | 220 |
| 2008 | 222 |
| 2009 | 217 |
| 2010 | 298 |
| 2011 | 270 |
| 2012 | 289 |
| 2013 | 285 |
| 2014 | 304 |
| 2015 | 311 |
| 2016 | 337 |
| 2017 | 318 |
| 2018 | 301 |
| 2019 | 299 |
| 2020 | 337 |
| 2021 | 381 |
| 2022 | 372 |
| 2023 | 333 |
| 2024 | 124 |