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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 4 |
| 1952 | 1 |
| 1953 | 1 |
| 1975 | 1 |
| 1976 | 10 |
| 1977 | 3 |
| 1978 | 11 |
| 1979 | 15 |
| 1980 | 20 |
| 1981 | 21 |
| 1982 | 18 |
| 1983 | 22 |
| 1984 | 15 |
| 1985 | 26 |
| 1986 | 25 |
| 1987 | 20 |
| 1988 | 23 |
| 1989 | 34 |
| 1990 | 50 |
| 1991 | 75 |
| 1992 | 72 |
| 1993 | 108 |
| 1994 | 96 |
| 1995 | 103 |
| 1996 | 106 |
| 1997 | 117 |
| 1998 | 114 |
| 1999 | 117 |
| 2000 | 125 |
| 2001 | 145 |
| 2002 | 162 |
| 2003 | 172 |
| 2004 | 189 |
| 2005 | 193 |
| 2006 | 204 |
| 2007 | 220 |
| 2008 | 203 |
| 2009 | 198 |
| 2010 | 198 |
| 2011 | 234 |
| 2012 | 295 |
| 2013 | 278 |
| 2014 | 236 |
| 2015 | 233 |
| 2016 | 188 |
| 2017 | 196 |
| 2018 | 204 |
| 2019 | 239 |
| 2020 | 174 |
| 2021 | 133 |
| 2022 | 62 |
| 2023 | 42 |
| 2024 | 42 |