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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 6 |
| 1975 | 5 |
| 1976 | 7 |
| 1977 | 4 |
| 1978 | 5 |
| 1979 | 11 |
| 1980 | 14 |
| 1981 | 9 |
| 1982 | 16 |
| 1983 | 11 |
| 1984 | 20 |
| 1985 | 24 |
| 1986 | 35 |
| 1987 | 20 |
| 1988 | 34 |
| 1989 | 54 |
| 1990 | 45 |
| 1991 | 52 |
| 1992 | 72 |
| 1993 | 70 |
| 1994 | 89 |
| 1995 | 80 |
| 1996 | 80 |
| 1997 | 84 |
| 1998 | 102 |
| 1999 | 88 |
| 2000 | 113 |
| 2001 | 102 |
| 2002 | 114 |
| 2003 | 149 |
| 2004 | 138 |
| 2005 | 193 |
| 2006 | 196 |
| 2007 | 194 |
| 2008 | 228 |
| 2009 | 196 |
| 2010 | 208 |
| 2011 | 205 |
| 2012 | 226 |
| 2013 | 222 |
| 2014 | 241 |
| 2015 | 284 |
| 2016 | 229 |
| 2017 | 221 |
| 2018 | 233 |
| 2019 | 229 |
| 2020 | 215 |
| 2021 | 181 |
| 2022 | 99 |
| 2023 | 93 |
| 2024 | 39 |