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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 8 |
| 1966 | 12 |
| 1967 | 19 |
| 1968 | 26 |
| 1969 | 24 |
| 1970 | 21 |
| 1971 | 30 |
| 1972 | 40 |
| 1973 | 57 |
| 1974 | 78 |
| 1975 | 80 |
| 1976 | 67 |
| 1977 | 75 |
| 1978 | 65 |
| 1979 | 69 |
| 1980 | 82 |
| 1981 | 71 |
| 1982 | 83 |
| 1983 | 109 |
| 1984 | 128 |
| 1985 | 144 |
| 1986 | 150 |
| 1987 | 161 |
| 1988 | 128 |
| 1989 | 118 |
| 1990 | 161 |
| 1991 | 153 |
| 1992 | 111 |
| 1993 | 114 |
| 1994 | 79 |
| 1995 | 95 |
| 1996 | 106 |
| 1997 | 119 |
| 1998 | 116 |
| 1999 | 103 |
| 2000 | 124 |
| 2001 | 142 |
| 2002 | 158 |
| 2003 | 119 |
| 2004 | 165 |
| 2005 | 152 |
| 2006 | 178 |
| 2007 | 167 |
| 2008 | 205 |
| 2009 | 305 |
| 2010 | 291 |
| 2011 | 360 |
| 2012 | 335 |
| 2013 | 362 |
| 2014 | 342 |
| 2015 | 225 |
| 2016 | 184 |
| 2017 | 157 |
| 2018 | 146 |
| 2019 | 87 |
| 2020 | 44 |
| 2021 | 28 |
| 2022 | 53 |
| 2023 | 57 |
| 2024 | 23 |