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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 39 |
| 1966 | 27 |
| 1967 | 54 |
| 1968 | 47 |
| 1969 | 41 |
| 1970 | 48 |
| 1971 | 54 |
| 1972 | 67 |
| 1973 | 80 |
| 1974 | 79 |
| 1975 | 75 |
| 1976 | 69 |
| 1977 | 74 |
| 1978 | 69 |
| 1979 | 51 |
| 1980 | 63 |
| 1981 | 66 |
| 1982 | 60 |
| 1983 | 59 |
| 1984 | 48 |
| 1985 | 48 |
| 1986 | 39 |
| 1987 | 40 |
| 1988 | 37 |
| 1989 | 38 |
| 1990 | 38 |
| 1991 | 41 |
| 1992 | 47 |
| 1993 | 42 |
| 1994 | 49 |
| 1995 | 36 |
| 1996 | 36 |
| 1997 | 31 |
| 1998 | 29 |
| 1999 | 29 |
| 2000 | 29 |
| 2001 | 25 |
| 2002 | 26 |
| 2003 | 25 |
| 2004 | 36 |
| 2005 | 38 |
| 2006 | 29 |
| 2007 | 29 |
| 2008 | 54 |
| 2009 | 87 |
| 2010 | 144 |
| 2011 | 139 |
| 2012 | 72 |
| 2013 | 74 |
| 2014 | 215 |
| 2015 | 308 |
| 2016 | 161 |
| 2017 | 159 |
| 2018 | 92 |
| 2019 | 101 |
| 2020 | 110 |
| 2021 | 131 |
| 2022 | 150 |
| 2023 | 15 |