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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 3 |
| 1966 | 2 |
| 1967 | 1 |
| 1972 | 1 |
| 1975 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1985 | 1 |
| 1986 | 40 |
| 1987 | 172 |
| 1988 | 154 |
| 1989 | 187 |
| 1990 | 197 |
| 1991 | 215 |
| 1992 | 211 |
| 1993 | 205 |
| 1994 | 214 |
| 1995 | 199 |
| 1996 | 202 |
| 1997 | 274 |
| 1998 | 192 |
| 1999 | 165 |
| 2000 | 171 |
| 2001 | 143 |
| 2002 | 158 |
| 2003 | 138 |
| 2004 | 174 |
| 2005 | 154 |
| 2006 | 199 |
| 2007 | 199 |
| 2008 | 183 |
| 2009 | 206 |
| 2010 | 222 |
| 2011 | 242 |
| 2012 | 242 |
| 2013 | 243 |
| 2014 | 260 |
| 2015 | 301 |
| 2016 | 238 |
| 2017 | 206 |
| 2018 | 207 |
| 2019 | 173 |
| 2020 | 178 |
| 2021 | 137 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 7 |