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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1913 | 1 |
| 1964 | 2 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 4 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 7 |
| 1973 | 6 |
| 1974 | 9 |
| 1975 | 19 |
| 1976 | 15 |
| 1977 | 10 |
| 1978 | 5 |
| 1979 | 6 |
| 1980 | 3 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 11 |
| 1985 | 43 |
| 1986 | 60 |
| 1987 | 114 |
| 1988 | 1389 |
| 1989 | 1537 |
| 1990 | 1642 |
| 1991 | 1752 |
| 1992 | 1929 |
| 1993 | 2232 |
| 1994 | 2572 |
| 1995 | 2910 |
| 1996 | 2993 |
| 1997 | 3223 |
| 1998 | 3508 |
| 1999 | 3572 |
| 2000 | 653 |
| 2001 | 588 |
| 2002 | 704 |
| 2003 | 913 |
| 2004 | 1050 |
| 2005 | 3878 |
| 2006 | 5461 |
| 2007 | 5759 |
| 2008 | 6081 |
| 2009 | 6318 |
| 2010 | 6778 |
| 2011 | 7309 |
| 2012 | 8438 |
| 2013 | 9152 |
| 2014 | 9069 |
| 2015 | 9609 |
| 2016 | 8504 |
| 2017 | 8405 |
| 2018 | 9286 |
| 2019 | 9486 |
| 2020 | 10844 |
| 2021 | 11831 |
| 2022 | 10094 |
| 2023 | 8843 |
| 2024 | 5545 |
| 2025 | 5 |