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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 2 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 3 |
| 1978 | 4 |
| 1979 | 3 |
| 1980 | 4 |
| 1981 | 5 |
| 1982 | 8 |
| 1983 | 8 |
| 1984 | 16 |
| 1985 | 14 |
| 1986 | 15 |
| 1987 | 23 |
| 1988 | 29 |
| 1989 | 46 |
| 1990 | 39 |
| 1991 | 29 |
| 1992 | 29 |
| 1993 | 38 |
| 1994 | 25 |
| 1995 | 39 |
| 1996 | 48 |
| 1997 | 47 |
| 1998 | 41 |
| 1999 | 66 |
| 2000 | 64 |
| 2001 | 62 |
| 2002 | 85 |
| 2003 | 88 |
| 2004 | 81 |
| 2005 | 68 |
| 2006 | 122 |
| 2007 | 119 |
| 2008 | 157 |
| 2009 | 181 |
| 2010 | 173 |
| 2011 | 206 |
| 2012 | 184 |
| 2013 | 249 |
| 2014 | 216 |
| 2015 | 255 |
| 2016 | 250 |
| 2017 | 271 |
| 2018 | 245 |
| 2019 | 235 |
| 2020 | 143 |
| 2021 | 113 |
| 2022 | 162 |
| 2023 | 141 |
| 2024 | 45 |