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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 4 |
| 1978 | 6 |
| 1979 | 6 |
| 1980 | 4 |
| 1981 | 19 |
| 1982 | 42 |
| 1983 | 25 |
| 1984 | 61 |
| 1985 | 61 |
| 1986 | 51 |
| 1987 | 92 |
| 1988 | 81 |
| 1989 | 123 |
| 1990 | 118 |
| 1991 | 125 |
| 1992 | 137 |
| 1993 | 200 |
| 1994 | 185 |
| 1995 | 261 |
| 1996 | 271 |
| 1997 | 271 |
| 1998 | 253 |
| 1999 | 275 |
| 2000 | 350 |
| 2001 | 361 |
| 2002 | 419 |
| 2003 | 448 |
| 2004 | 493 |
| 2005 | 550 |
| 2006 | 699 |
| 2007 | 730 |
| 2008 | 895 |
| 2009 | 810 |
| 2010 | 951 |
| 2011 | 957 |
| 2012 | 980 |
| 2013 | 1118 |
| 2014 | 1092 |
| 2015 | 1257 |
| 2016 | 1215 |
| 2017 | 1265 |
| 2018 | 1275 |
| 2019 | 1184 |
| 2020 | 1000 |
| 2021 | 685 |
| 2022 | 1234 |
| 2023 | 997 |
| 2024 | 484 |