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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 5 |
| 1960 | 1 |
| 1961 | 11 |
| 1962 | 1 |
| 1975 | 31 |
| 1976 | 29 |
| 1977 | 110 |
| 1978 | 373 |
| 1979 | 373 |
| 1980 | 317 |
| 1981 | 256 |
| 1982 | 241 |
| 1983 | 335 |
| 1984 | 390 |
| 1985 | 334 |
| 1986 | 340 |
| 1987 | 383 |
| 1988 | 506 |
| 1989 | 476 |
| 1990 | 411 |
| 1991 | 570 |
| 1992 | 843 |
| 1993 | 1113 |
| 1994 | 1111 |
| 1995 | 1503 |
| 1996 | 1434 |
| 1997 | 1777 |
| 1998 | 1757 |
| 1999 | 1509 |
| 2000 | 1196 |
| 2001 | 1012 |
| 2002 | 1119 |
| 2003 | 1115 |
| 2004 | 1066 |
| 2005 | 936 |
| 2006 | 831 |
| 2007 | 874 |
| 2008 | 1057 |
| 2009 | 1086 |
| 2010 | 1187 |
| 2011 | 1324 |
| 2012 | 1424 |
| 2013 | 1525 |
| 2014 | 1466 |
| 2015 | 1414 |
| 2016 | 1281 |
| 2017 | 1168 |
| 2018 | 1126 |
| 2019 | 966 |
| 2020 | 782 |
| 2021 | 410 |
| 2022 | 84 |
| 2023 | 94 |
| 2024 | 666 |
| 2025 | 495 |