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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1971 | 3 |
| 1973 | 5 |
| 1974 | 31 |
| 1975 | 56 |
| 1976 | 71 |
| 1977 | 66 |
| 1978 | 89 |
| 1979 | 89 |
| 1980 | 64 |
| 1981 | 52 |
| 1982 | 58 |
| 1983 | 64 |
| 1984 | 39 |
| 1985 | 67 |
| 1986 | 53 |
| 1987 | 72 |
| 1988 | 56 |
| 1989 | 58 |
| 1990 | 60 |
| 1991 | 68 |
| 1992 | 60 |
| 1993 | 82 |
| 1994 | 74 |
| 1995 | 53 |
| 1996 | 67 |
| 1997 | 58 |
| 1998 | 62 |
| 1999 | 79 |
| 2000 | 119 |
| 2001 | 90 |
| 2002 | 114 |
| 2003 | 105 |
| 2004 | 92 |
| 2005 | 121 |
| 2006 | 117 |
| 2007 | 144 |
| 2008 | 161 |
| 2009 | 193 |
| 2010 | 200 |
| 2011 | 218 |
| 2012 | 278 |
| 2013 | 252 |
| 2014 | 274 |
| 2015 | 272 |
| 2016 | 291 |
| 2017 | 276 |
| 2018 | 309 |
| 2019 | 314 |
| 2020 | 295 |
| 2021 | 201 |
| 2022 | 26 |
| 2023 | 9 |
| 2024 | 6 |