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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 2 |
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1965 | 2 |
| 1967 | 1 |
| 1970 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 9 |
| 1978 | 8 |
| 1979 | 3 |
| 1980 | 7 |
| 1981 | 12 |
| 1982 | 12 |
| 1983 | 20 |
| 1984 | 16 |
| 1985 | 17 |
| 1986 | 15 |
| 1987 | 32 |
| 1988 | 34 |
| 1989 | 34 |
| 1990 | 48 |
| 1991 | 42 |
| 1992 | 58 |
| 1993 | 49 |
| 1994 | 73 |
| 1995 | 59 |
| 1996 | 76 |
| 1997 | 76 |
| 1998 | 70 |
| 1999 | 82 |
| 2000 | 82 |
| 2001 | 97 |
| 2002 | 106 |
| 2003 | 136 |
| 2004 | 159 |
| 2005 | 215 |
| 2006 | 240 |
| 2007 | 267 |
| 2008 | 255 |
| 2009 | 282 |
| 2010 | 325 |
| 2011 | 324 |
| 2012 | 411 |
| 2013 | 512 |
| 2014 | 541 |
| 2015 | 638 |
| 2016 | 676 |
| 2017 | 755 |
| 2018 | 926 |
| 2019 | 1067 |
| 2020 | 1275 |
| 2021 | 1413 |
| 2022 | 1619 |
| 2023 | 768 |