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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 4 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 6 |
| 1974 | 5 |
| 1975 | 9 |
| 1976 | 5 |
| 1977 | 15 |
| 1978 | 27 |
| 1979 | 22 |
| 1980 | 26 |
| 1981 | 30 |
| 1982 | 41 |
| 1983 | 36 |
| 1984 | 36 |
| 1985 | 52 |
| 1986 | 52 |
| 1987 | 55 |
| 1988 | 60 |
| 1989 | 76 |
| 1990 | 69 |
| 1991 | 101 |
| 1992 | 78 |
| 1993 | 80 |
| 1994 | 86 |
| 1995 | 64 |
| 1996 | 73 |
| 1997 | 66 |
| 1998 | 72 |
| 1999 | 81 |
| 2000 | 90 |
| 2001 | 85 |
| 2002 | 106 |
| 2003 | 133 |
| 2004 | 130 |
| 2005 | 123 |
| 2006 | 135 |
| 2007 | 168 |
| 2008 | 166 |
| 2009 | 182 |
| 2010 | 202 |
| 2011 | 233 |
| 2012 | 225 |
| 2013 | 281 |
| 2014 | 271 |
| 2015 | 284 |
| 2016 | 291 |
| 2017 | 320 |
| 2018 | 330 |
| 2019 | 369 |
| 2020 | 258 |
| 2021 | 125 |
| 2022 | 20 |
| 2023 | 13 |
| 2024 | 121 |
| 2025 | 97 |