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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1968 | 1 |
| 1972 | 1 |
| 1975 | 1 |
| 1976 | 3 |
| 1977 | 1 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 4 |
| 1991 | 5 |
| 1992 | 4 |
| 1993 | 4 |
| 1994 | 2 |
| 1995 | 7 |
| 1996 | 9 |
| 1997 | 17 |
| 1998 | 14 |
| 1999 | 16 |
| 2000 | 28 |
| 2001 | 33 |
| 2002 | 48 |
| 2003 | 63 |
| 2004 | 65 |
| 2005 | 79 |
| 2006 | 95 |
| 2007 | 71 |
| 2008 | 105 |
| 2009 | 112 |
| 2010 | 135 |
| 2011 | 172 |
| 2012 | 171 |
| 2013 | 203 |
| 2014 | 196 |
| 2015 | 214 |
| 2016 | 219 |
| 2017 | 228 |
| 2018 | 259 |
| 2019 | 285 |
| 2020 | 269 |
| 2021 | 266 |
| 2022 | 235 |
| 2023 | 277 |
| 2024 | 306 |
| 2025 | 299 |