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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 2 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 4 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 11 |
| 1986 | 12 |
| 1987 | 11 |
| 1988 | 16 |
| 1989 | 12 |
| 1990 | 21 |
| 1991 | 23 |
| 1992 | 27 |
| 1993 | 30 |
| 1994 | 36 |
| 1995 | 36 |
| 1996 | 45 |
| 1997 | 57 |
| 1998 | 62 |
| 1999 | 38 |
| 2000 | 79 |
| 2001 | 71 |
| 2002 | 86 |
| 2003 | 104 |
| 2004 | 137 |
| 2005 | 198 |
| 2006 | 235 |
| 2007 | 259 |
| 2008 | 317 |
| 2009 | 340 |
| 2010 | 364 |
| 2011 | 428 |
| 2012 | 508 |
| 2013 | 590 |
| 2014 | 655 |
| 2015 | 781 |
| 2016 | 822 |
| 2017 | 872 |
| 2018 | 973 |
| 2019 | 1062 |
| 2020 | 1393 |
| 2021 | 1541 |
| 2022 | 1734 |
| 2023 | 776 |