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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 3 |
| 1968 | 2 |
| 1972 | 1 |
| 1974 | 1 |
| 1987 | 3 |
| 1988 | 4 |
| 1989 | 41 |
| 1990 | 110 |
| 1991 | 131 |
| 1992 | 185 |
| 1993 | 175 |
| 1994 | 215 |
| 1995 | 253 |
| 1996 | 340 |
| 1997 | 347 |
| 1998 | 427 |
| 1999 | 479 |
| 2000 | 540 |
| 2001 | 594 |
| 2002 | 723 |
| 2003 | 819 |
| 2004 | 963 |
| 2005 | 988 |
| 2006 | 1042 |
| 2007 | 1086 |
| 2008 | 1100 |
| 2009 | 1135 |
| 2010 | 1132 |
| 2011 | 1135 |
| 2012 | 1150 |
| 2013 | 1138 |
| 2014 | 1141 |
| 2015 | 1165 |
| 2016 | 956 |
| 2017 | 949 |
| 2018 | 1025 |
| 2019 | 926 |
| 2020 | 832 |
| 2021 | 597 |
| 2022 | 148 |
| 2023 | 66 |
| 2024 | 146 |