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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 2 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 4 |
| 1976 | 1 |
| 1978 | 6 |
| 1979 | 14 |
| 1980 | 15 |
| 1981 | 14 |
| 1982 | 12 |
| 1983 | 16 |
| 1984 | 16 |
| 1985 | 20 |
| 1986 | 28 |
| 1987 | 22 |
| 1988 | 25 |
| 1989 | 45 |
| 1990 | 76 |
| 1991 | 125 |
| 1992 | 151 |
| 1993 | 138 |
| 1994 | 123 |
| 1995 | 51 |
| 1996 | 62 |
| 1997 | 108 |
| 1998 | 99 |
| 1999 | 129 |
| 2000 | 143 |
| 2001 | 181 |
| 2002 | 221 |
| 2003 | 258 |
| 2004 | 316 |
| 2005 | 385 |
| 2006 | 496 |
| 2007 | 593 |
| 2008 | 714 |
| 2009 | 817 |
| 2010 | 782 |
| 2011 | 916 |
| 2012 | 1080 |
| 2013 | 1176 |
| 2014 | 1215 |
| 2015 | 1224 |
| 2016 | 1218 |
| 2017 | 1250 |
| 2018 | 1416 |
| 2019 | 1489 |
| 2020 | 1930 |
| 2021 | 2064 |
| 2022 | 1624 |
| 2023 | 1143 |
| 2024 | 1899 |
| 2025 | 1403 |