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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1957 | 1 |
| 1959 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1980 | 1 |
| 1981 | 64 |
| 1982 | 144 |
| 1983 | 143 |
| 1984 | 184 |
| 1985 | 212 |
| 1986 | 223 |
| 1987 | 194 |
| 1988 | 259 |
| 1989 | 299 |
| 1990 | 367 |
| 1991 | 422 |
| 1992 | 432 |
| 1993 | 404 |
| 1994 | 434 |
| 1995 | 501 |
| 1996 | 458 |
| 1997 | 510 |
| 1998 | 536 |
| 1999 | 630 |
| 2000 | 721 |
| 2001 | 842 |
| 2002 | 937 |
| 2003 | 976 |
| 2004 | 1014 |
| 2005 | 1093 |
| 2006 | 1108 |
| 2007 | 1079 |
| 2008 | 1196 |
| 2009 | 1217 |
| 2010 | 1215 |
| 2011 | 1228 |
| 2012 | 1219 |
| 2013 | 1469 |
| 2014 | 1550 |
| 2015 | 1482 |
| 2016 | 1497 |
| 2017 | 1349 |
| 2018 | 1367 |
| 2019 | 1293 |
| 2020 | 1321 |
| 2021 | 1127 |
| 2022 | 1615 |
| 2023 | 1511 |
| 2024 | 861 |