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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 10 |
| 1979 | 7 |
| 1980 | 8 |
| 1981 | 13 |
| 1982 | 12 |
| 1983 | 16 |
| 1984 | 18 |
| 1985 | 19 |
| 1986 | 30 |
| 1987 | 32 |
| 1988 | 62 |
| 1989 | 54 |
| 1990 | 92 |
| 1991 | 69 |
| 1992 | 99 |
| 1993 | 109 |
| 1994 | 101 |
| 1995 | 125 |
| 1996 | 125 |
| 1997 | 161 |
| 1998 | 134 |
| 1999 | 140 |
| 2000 | 117 |
| 2001 | 129 |
| 2002 | 126 |
| 2003 | 149 |
| 2004 | 113 |
| 2005 | 112 |
| 2006 | 101 |
| 2007 | 148 |
| 2008 | 171 |
| 2009 | 176 |
| 2010 | 200 |
| 2011 | 306 |
| 2012 | 356 |
| 2013 | 360 |
| 2014 | 342 |
| 2015 | 378 |
| 2016 | 430 |
| 2017 | 462 |
| 2018 | 616 |
| 2019 | 628 |
| 2020 | 465 |
| 2021 | 288 |
| 2022 | 48 |
| 2023 | 70 |
| 2024 | 563 |
| 2025 | 455 |