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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1963 | 1 |
| 1979 | 2 |
| 1980 | 6 |
| 1981 | 13 |
| 1982 | 15 |
| 1983 | 20 |
| 1984 | 13 |
| 1985 | 29 |
| 1986 | 20 |
| 1987 | 41 |
| 1988 | 38 |
| 1989 | 25 |
| 1990 | 35 |
| 1991 | 43 |
| 1992 | 53 |
| 1993 | 58 |
| 1994 | 61 |
| 1995 | 58 |
| 1996 | 80 |
| 1997 | 97 |
| 1998 | 80 |
| 1999 | 120 |
| 2000 | 110 |
| 2001 | 110 |
| 2002 | 148 |
| 2003 | 191 |
| 2004 | 254 |
| 2005 | 287 |
| 2006 | 319 |
| 2007 | 353 |
| 2008 | 427 |
| 2009 | 454 |
| 2010 | 600 |
| 2011 | 704 |
| 2012 | 878 |
| 2013 | 997 |
| 2014 | 1175 |
| 2015 | 1265 |
| 2016 | 1332 |
| 2017 | 1537 |
| 2018 | 1766 |
| 2019 | 2144 |
| 2020 | 2701 |
| 2021 | 3185 |
| 2022 | 3468 |
| 2023 | 44 |