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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1977 | 5 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 30 |
| 1981 | 104 |
| 1982 | 94 |
| 1983 | 113 |
| 1984 | 107 |
| 1985 | 104 |
| 1986 | 127 |
| 1987 | 129 |
| 1988 | 139 |
| 1989 | 115 |
| 1990 | 101 |
| 1991 | 116 |
| 1992 | 131 |
| 1993 | 128 |
| 1994 | 165 |
| 1995 | 161 |
| 1996 | 162 |
| 1997 | 147 |
| 1998 | 186 |
| 1999 | 211 |
| 2000 | 201 |
| 2001 | 255 |
| 2002 | 313 |
| 2003 | 330 |
| 2004 | 384 |
| 2005 | 462 |
| 2006 | 636 |
| 2007 | 618 |
| 2008 | 741 |
| 2009 | 829 |
| 2010 | 900 |
| 2011 | 927 |
| 2012 | 1053 |
| 2013 | 1158 |
| 2014 | 1160 |
| 2015 | 1183 |
| 2016 | 1028 |
| 2017 | 1076 |
| 2018 | 1043 |
| 2019 | 1023 |
| 2020 | 1273 |
| 2021 | 1436 |
| 2022 | 1341 |
| 2023 | 1287 |
| 2024 | 1065 |
| 2025 | 407 |