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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 2 |
| 1958 | 1 |
| 1972 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 11 |
| 1985 | 8 |
| 1986 | 13 |
| 1987 | 17 |
| 1988 | 9 |
| 1989 | 15 |
| 1990 | 17 |
| 1991 | 20 |
| 1992 | 34 |
| 1993 | 37 |
| 1994 | 30 |
| 1995 | 42 |
| 1996 | 47 |
| 1997 | 54 |
| 1998 | 68 |
| 1999 | 80 |
| 2000 | 90 |
| 2001 | 96 |
| 2002 | 125 |
| 2003 | 162 |
| 2004 | 172 |
| 2005 | 195 |
| 2006 | 229 |
| 2007 | 274 |
| 2008 | 272 |
| 2009 | 296 |
| 2010 | 395 |
| 2011 | 453 |
| 2012 | 500 |
| 2013 | 630 |
| 2014 | 773 |
| 2015 | 836 |
| 2016 | 906 |
| 2017 | 910 |
| 2018 | 1081 |
| 2019 | 1286 |
| 2020 | 1502 |
| 2021 | 1600 |
| 2022 | 1920 |
| 2023 | 1464 |
| 2024 | 8 |