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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 4 |
| 1969 | 5 |
| 1970 | 9 |
| 1971 | 12 |
| 1972 | 21 |
| 1973 | 93 |
| 1974 | 91 |
| 1975 | 74 |
| 1976 | 59 |
| 1977 | 60 |
| 1978 | 57 |
| 1979 | 72 |
| 1980 | 74 |
| 1981 | 50 |
| 1982 | 70 |
| 1983 | 90 |
| 1984 | 90 |
| 1985 | 84 |
| 1986 | 109 |
| 1987 | 90 |
| 1988 | 89 |
| 1989 | 109 |
| 1990 | 85 |
| 1991 | 92 |
| 1992 | 60 |
| 1993 | 79 |
| 1994 | 68 |
| 1995 | 47 |
| 1996 | 61 |
| 1997 | 81 |
| 1998 | 82 |
| 1999 | 78 |
| 2000 | 102 |
| 2001 | 119 |
| 2002 | 94 |
| 2003 | 91 |
| 2004 | 111 |
| 2005 | 110 |
| 2006 | 143 |
| 2007 | 124 |
| 2008 | 164 |
| 2009 | 178 |
| 2010 | 216 |
| 2011 | 217 |
| 2012 | 207 |
| 2013 | 248 |
| 2014 | 231 |
| 2015 | 216 |
| 2016 | 252 |
| 2017 | 280 |
| 2018 | 332 |
| 2019 | 395 |
| 2020 | 339 |
| 2021 | 247 |
| 2022 | 233 |
| 2023 | 188 |
| 2024 | 98 |