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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 2 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 6 |
| 1980 | 7 |
| 1981 | 13 |
| 1982 | 8 |
| 1983 | 5 |
| 1984 | 14 |
| 1985 | 13 |
| 1986 | 13 |
| 1987 | 15 |
| 1988 | 13 |
| 1989 | 24 |
| 1990 | 30 |
| 1991 | 21 |
| 1992 | 22 |
| 1993 | 29 |
| 1994 | 34 |
| 1995 | 39 |
| 1996 | 39 |
| 1997 | 39 |
| 1998 | 52 |
| 1999 | 54 |
| 2000 | 61 |
| 2001 | 91 |
| 2002 | 108 |
| 2003 | 145 |
| 2004 | 143 |
| 2005 | 203 |
| 2006 | 224 |
| 2007 | 234 |
| 2008 | 247 |
| 2009 | 309 |
| 2010 | 331 |
| 2011 | 385 |
| 2012 | 451 |
| 2013 | 542 |
| 2014 | 610 |
| 2015 | 641 |
| 2016 | 632 |
| 2017 | 734 |
| 2018 | 781 |
| 2019 | 924 |
| 2020 | 1082 |
| 2021 | 1164 |
| 2022 | 1396 |
| 2023 | 1369 |
| 2024 | 599 |