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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 2 |
| 1979 | 2 |
| 1980 | 20 |
| 1981 | 66 |
| 1982 | 72 |
| 1983 | 91 |
| 1984 | 72 |
| 1985 | 69 |
| 1986 | 92 |
| 1987 | 64 |
| 1988 | 67 |
| 1989 | 71 |
| 1990 | 79 |
| 1991 | 149 |
| 1992 | 133 |
| 1993 | 137 |
| 1994 | 169 |
| 1995 | 177 |
| 1996 | 171 |
| 1997 | 210 |
| 1998 | 202 |
| 1999 | 179 |
| 2000 | 190 |
| 2001 | 188 |
| 2002 | 191 |
| 2003 | 299 |
| 2004 | 289 |
| 2005 | 429 |
| 2006 | 480 |
| 2007 | 621 |
| 2008 | 647 |
| 2009 | 719 |
| 2010 | 817 |
| 2011 | 895 |
| 2012 | 942 |
| 2013 | 928 |
| 2014 | 912 |
| 2015 | 961 |
| 2016 | 814 |
| 2017 | 905 |
| 2018 | 944 |
| 2019 | 956 |
| 2020 | 1065 |
| 2021 | 1188 |
| 2022 | 1008 |
| 2023 | 999 |
| 2024 | 310 |