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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 14 |
| 1971 | 57 |
| 1972 | 36 |
| 1973 | 60 |
| 1975 | 4 |
| 1976 | 13 |
| 1977 | 21 |
| 1979 | 36 |
| 1980 | 50 |
| 1981 | 96 |
| 1982 | 54 |
| 1983 | 122 |
| 1984 | 75 |
| 1985 | 97 |
| 1986 | 56 |
| 1987 | 149 |
| 1988 | 191 |
| 1989 | 182 |
| 1990 | 224 |
| 1991 | 156 |
| 1992 | 149 |
| 1993 | 159 |
| 1994 | 150 |
| 1995 | 94 |
| 1996 | 124 |
| 1997 | 88 |
| 1998 | 68 |
| 1999 | 62 |
| 2000 | 56 |
| 2001 | 113 |
| 2002 | 101 |
| 2003 | 116 |
| 2004 | 116 |
| 2005 | 126 |
| 2006 | 113 |
| 2007 | 121 |
| 2008 | 120 |
| 2009 | 149 |
| 2010 | 146 |
| 2011 | 144 |
| 2012 | 141 |
| 2013 | 221 |
| 2014 | 254 |
| 2015 | 278 |
| 2016 | 280 |
| 2017 | 242 |
| 2018 | 231 |
| 2019 | 237 |
| 2020 | 423 |
| 2021 | 270 |
| 2022 | 307 |
| 2023 | 273 |
| 2024 | 139 |