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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1967 | 1 |
| 1970 | 2 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 5 |
| 1976 | 4 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 6 |
| 1981 | 7 |
| 1982 | 7 |
| 1983 | 8 |
| 1984 | 9 |
| 1985 | 19 |
| 1986 | 20 |
| 1987 | 27 |
| 1988 | 13 |
| 1989 | 16 |
| 1990 | 18 |
| 1991 | 25 |
| 1992 | 35 |
| 1993 | 30 |
| 1994 | 51 |
| 1995 | 62 |
| 1996 | 67 |
| 1997 | 59 |
| 1998 | 105 |
| 1999 | 114 |
| 2000 | 128 |
| 2001 | 161 |
| 2002 | 182 |
| 2003 | 207 |
| 2004 | 278 |
| 2005 | 1204 |
| 2006 | 4144 |
| 2007 | 4953 |
| 2008 | 6262 |
| 2009 | 6700 |
| 2010 | 6812 |
| 2011 | 7068 |
| 2012 | 7257 |
| 2013 | 6887 |
| 2014 | 6412 |
| 2015 | 6191 |
| 2016 | 4521 |
| 2017 | 3608 |
| 2018 | 3483 |
| 2019 | 3287 |
| 2020 | 3294 |
| 2021 | 3178 |
| 2022 | 2799 |
| 2023 | 2817 |
| 2024 | 1730 |
| 2025 | 2 |