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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1968 | 1 |
| 1977 | 7 |
| 1978 | 6 |
| 1979 | 15 |
| 1980 | 9 |
| 1981 | 16 |
| 1982 | 9 |
| 1983 | 30 |
| 1984 | 19 |
| 1985 | 20 |
| 1986 | 28 |
| 1987 | 27 |
| 1988 | 36 |
| 1989 | 46 |
| 1990 | 42 |
| 1991 | 50 |
| 1992 | 24 |
| 1993 | 43 |
| 1994 | 39 |
| 1995 | 61 |
| 1996 | 116 |
| 1997 | 129 |
| 1998 | 112 |
| 1999 | 107 |
| 2000 | 131 |
| 2001 | 106 |
| 2002 | 138 |
| 2003 | 177 |
| 2004 | 156 |
| 2005 | 163 |
| 2006 | 185 |
| 2007 | 197 |
| 2008 | 205 |
| 2009 | 225 |
| 2010 | 210 |
| 2011 | 242 |
| 2012 | 306 |
| 2013 | 364 |
| 2014 | 346 |
| 2015 | 379 |
| 2016 | 305 |
| 2017 | 266 |
| 2018 | 312 |
| 2019 | 313 |
| 2020 | 320 |
| 2021 | 280 |
| 2022 | 140 |
| 2023 | 50 |
| 2024 | 81 |