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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 5 |
| 1968 | 10 |
| 1969 | 12 |
| 1970 | 33 |
| 1971 | 79 |
| 1972 | 77 |
| 1973 | 106 |
| 1974 | 103 |
| 1975 | 76 |
| 1976 | 90 |
| 1977 | 82 |
| 1978 | 89 |
| 1979 | 60 |
| 1980 | 59 |
| 1981 | 55 |
| 1982 | 68 |
| 1983 | 76 |
| 1984 | 57 |
| 1985 | 55 |
| 1986 | 46 |
| 1987 | 56 |
| 1988 | 46 |
| 1989 | 71 |
| 1990 | 63 |
| 1991 | 63 |
| 1992 | 65 |
| 1993 | 45 |
| 1994 | 51 |
| 1995 | 70 |
| 1996 | 81 |
| 1997 | 101 |
| 1998 | 146 |
| 1999 | 187 |
| 2000 | 163 |
| 2001 | 216 |
| 2002 | 203 |
| 2003 | 218 |
| 2004 | 223 |
| 2005 | 235 |
| 2006 | 215 |
| 2007 | 230 |
| 2008 | 212 |
| 2009 | 217 |
| 2010 | 226 |
| 2011 | 196 |
| 2012 | 221 |
| 2013 | 204 |
| 2014 | 209 |
| 2015 | 177 |
| 2016 | 161 |
| 2017 | 148 |
| 2018 | 141 |
| 2019 | 125 |
| 2020 | 160 |
| 2021 | 134 |
| 2022 | 186 |
| 2023 | 145 |
| 2024 | 42 |