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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 3 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 3 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 4 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 2 |
| 1982 | 7 |
| 1983 | 8 |
| 1984 | 13 |
| 1985 | 21 |
| 1986 | 20 |
| 1987 | 30 |
| 1988 | 26 |
| 1989 | 24 |
| 1990 | 30 |
| 1991 | 33 |
| 1992 | 45 |
| 1993 | 27 |
| 1994 | 45 |
| 1995 | 46 |
| 1996 | 61 |
| 1997 | 77 |
| 1998 | 88 |
| 1999 | 77 |
| 2000 | 93 |
| 2001 | 126 |
| 2002 | 149 |
| 2003 | 123 |
| 2004 | 176 |
| 2005 | 251 |
| 2006 | 257 |
| 2007 | 294 |
| 2008 | 347 |
| 2009 | 395 |
| 2010 | 412 |
| 2011 | 474 |
| 2012 | 576 |
| 2013 | 591 |
| 2014 | 713 |
| 2015 | 811 |
| 2016 | 896 |
| 2017 | 894 |
| 2018 | 928 |
| 2019 | 1087 |
| 2020 | 1203 |
| 2021 | 1307 |
| 2022 | 1457 |
| 2023 | 16 |