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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 1 |
| 1967 | 3 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 4 |
| 1981 | 3 |
| 1985 | 2 |
| 1986 | 6 |
| 1987 | 155 |
| 1988 | 497 |
| 1989 | 588 |
| 1990 | 610 |
| 1991 | 704 |
| 1992 | 871 |
| 1993 | 913 |
| 1994 | 1016 |
| 1995 | 1014 |
| 1996 | 1020 |
| 1997 | 1189 |
| 1998 | 1174 |
| 1999 | 1280 |
| 2000 | 1515 |
| 2001 | 1650 |
| 2002 | 1832 |
| 2003 | 1602 |
| 2004 | 1310 |
| 2005 | 1166 |
| 2006 | 924 |
| 2007 | 824 |
| 2008 | 723 |
| 2009 | 667 |
| 2010 | 634 |
| 2011 | 650 |
| 2012 | 542 |
| 2013 | 510 |
| 2014 | 345 |
| 2015 | 291 |
| 2016 | 230 |
| 2017 | 212 |
| 2018 | 214 |
| 2019 | 202 |
| 2020 | 197 |
| 2021 | 131 |
| 2022 | 20 |
| 2023 | 1 |
| 2024 | 1 |