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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 7 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 8 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 5 |
| 1984 | 5 |
| 1985 | 6 |
| 1986 | 14 |
| 1987 | 9 |
| 1988 | 32 |
| 1989 | 22 |
| 1990 | 45 |
| 1991 | 39 |
| 1992 | 33 |
| 1993 | 19 |
| 1994 | 30 |
| 1995 | 40 |
| 1996 | 34 |
| 1997 | 29 |
| 1998 | 62 |
| 1999 | 52 |
| 2000 | 72 |
| 2001 | 66 |
| 2002 | 89 |
| 2003 | 100 |
| 2004 | 118 |
| 2005 | 143 |
| 2006 | 144 |
| 2007 | 156 |
| 2008 | 179 |
| 2009 | 243 |
| 2010 | 310 |
| 2011 | 329 |
| 2012 | 373 |
| 2013 | 449 |
| 2014 | 485 |
| 2015 | 528 |
| 2016 | 559 |
| 2017 | 622 |
| 2018 | 718 |
| 2019 | 804 |
| 2020 | 925 |
| 2021 | 1033 |
| 2022 | 1202 |
| 2023 | 532 |