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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1953 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1977 | 2 |
| 1978 | 3 |
| 1979 | 81 |
| 1980 | 96 |
| 1981 | 133 |
| 1982 | 158 |
| 1983 | 212 |
| 1984 | 205 |
| 1985 | 246 |
| 1986 | 283 |
| 1987 | 301 |
| 1988 | 305 |
| 1989 | 347 |
| 1990 | 344 |
| 1991 | 298 |
| 1992 | 333 |
| 1993 | 315 |
| 1994 | 318 |
| 1995 | 305 |
| 1996 | 283 |
| 1997 | 320 |
| 1998 | 267 |
| 1999 | 266 |
| 2000 | 238 |
| 2001 | 203 |
| 2002 | 227 |
| 2003 | 254 |
| 2004 | 211 |
| 2005 | 236 |
| 2006 | 215 |
| 2007 | 234 |
| 2008 | 228 |
| 2009 | 205 |
| 2010 | 191 |
| 2011 | 174 |
| 2012 | 180 |
| 2013 | 155 |
| 2014 | 150 |
| 2015 | 122 |
| 2016 | 98 |
| 2017 | 104 |
| 2018 | 88 |
| 2019 | 95 |
| 2020 | 66 |
| 2021 | 64 |
| 2022 | 41 |
| 2023 | 35 |
| 2024 | 10 |