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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1974 | 3 |
| 1975 | 2 |
| 1976 | 18 |
| 1977 | 29 |
| 1978 | 27 |
| 1979 | 41 |
| 1980 | 30 |
| 1981 | 26 |
| 1982 | 36 |
| 1983 | 42 |
| 1984 | 46 |
| 1985 | 37 |
| 1986 | 41 |
| 1987 | 37 |
| 1988 | 37 |
| 1989 | 38 |
| 1990 | 48 |
| 1991 | 45 |
| 1992 | 37 |
| 1993 | 61 |
| 1994 | 59 |
| 1995 | 49 |
| 1996 | 61 |
| 1997 | 46 |
| 1998 | 71 |
| 1999 | 59 |
| 2000 | 70 |
| 2001 | 122 |
| 2002 | 286 |
| 2003 | 413 |
| 2004 | 612 |
| 2005 | 749 |
| 2006 | 925 |
| 2007 | 1136 |
| 2008 | 1230 |
| 2009 | 1387 |
| 2010 | 1531 |
| 2011 | 1620 |
| 2012 | 1803 |
| 2013 | 1852 |
| 2014 | 1883 |
| 2015 | 2060 |
| 2016 | 2193 |
| 2017 | 2132 |
| 2018 | 2060 |
| 2019 | 2116 |
| 2020 | 2140 |
| 2021 | 1943 |
| 2022 | 1594 |
| 2023 | 1232 |
| 2024 | 360 |