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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 37 |
| 1971 | 38 |
| 1972 | 38 |
| 1973 | 39 |
| 1974 | 49 |
| 1975 | 60 |
| 1976 | 69 |
| 1977 | 53 |
| 1978 | 61 |
| 1979 | 92 |
| 1980 | 70 |
| 1981 | 66 |
| 1982 | 69 |
| 1983 | 68 |
| 1984 | 63 |
| 1985 | 73 |
| 1986 | 68 |
| 1987 | 72 |
| 1988 | 66 |
| 1989 | 71 |
| 1990 | 84 |
| 1991 | 72 |
| 1992 | 79 |
| 1993 | 82 |
| 1994 | 74 |
| 1995 | 78 |
| 1996 | 91 |
| 1997 | 87 |
| 1998 | 98 |
| 1999 | 105 |
| 2000 | 109 |
| 2001 | 106 |
| 2002 | 97 |
| 2003 | 97 |
| 2004 | 166 |
| 2005 | 201 |
| 2006 | 222 |
| 2007 | 310 |
| 2008 | 322 |
| 2009 | 417 |
| 2010 | 333 |
| 2011 | 366 |
| 2012 | 444 |
| 2013 | 423 |
| 2014 | 410 |
| 2015 | 337 |
| 2016 | 332 |
| 2017 | 300 |
| 2018 | 277 |
| 2019 | 217 |
| 2020 | 184 |
| 2021 | 201 |
| 2022 | 187 |
| 2023 | 196 |
| 2024 | 39 |