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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 3 |
| 1969 | 3 |
| 1970 | 4 |
| 1971 | 3 |
| 1972 | 6 |
| 1974 | 3 |
| 1975 | 3 |
| 1976 | 6 |
| 1977 | 7 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 7 |
| 1982 | 3 |
| 1983 | 2 |
| 1984 | 2 |
| 1985 | 5 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 9 |
| 1989 | 9 |
| 1990 | 13 |
| 1991 | 11 |
| 1992 | 15 |
| 1993 | 15 |
| 1994 | 11 |
| 1995 | 22 |
| 1996 | 29 |
| 1997 | 33 |
| 1998 | 57 |
| 1999 | 62 |
| 2000 | 64 |
| 2001 | 65 |
| 2002 | 86 |
| 2003 | 100 |
| 2004 | 124 |
| 2005 | 173 |
| 2006 | 206 |
| 2007 | 216 |
| 2008 | 260 |
| 2009 | 339 |
| 2010 | 363 |
| 2011 | 421 |
| 2012 | 544 |
| 2013 | 610 |
| 2014 | 680 |
| 2015 | 705 |
| 2016 | 736 |
| 2017 | 790 |
| 2018 | 857 |
| 2019 | 963 |
| 2020 | 1036 |
| 2021 | 1123 |
| 2022 | 992 |
| 2023 | 467 |