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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1976 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1983 | 2 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 137 |
| 1988 | 423 |
| 1989 | 598 |
| 1990 | 675 |
| 1991 | 739 |
| 1992 | 892 |
| 1993 | 992 |
| 1994 | 1021 |
| 1995 | 1196 |
| 1996 | 1185 |
| 1997 | 1316 |
| 1998 | 1334 |
| 1999 | 1403 |
| 2000 | 1608 |
| 2001 | 1746 |
| 2002 | 1932 |
| 2003 | 1956 |
| 2004 | 1488 |
| 2005 | 1314 |
| 2006 | 1278 |
| 2007 | 1186 |
| 2008 | 1225 |
| 2009 | 1241 |
| 2010 | 1264 |
| 2011 | 1262 |
| 2012 | 1214 |
| 2013 | 1229 |
| 2014 | 1067 |
| 2015 | 1055 |
| 2016 | 869 |
| 2017 | 810 |
| 2018 | 742 |
| 2019 | 748 |
| 2020 | 693 |
| 2021 | 588 |
| 2022 | 266 |
| 2023 | 179 |
| 2024 | 98 |