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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 3 |
| 1968 | 5 |
| 1970 | 8 |
| 1971 | 6 |
| 1972 | 6 |
| 1973 | 7 |
| 1974 | 5 |
| 1975 | 5 |
| 1976 | 4 |
| 1977 | 9 |
| 1978 | 11 |
| 1979 | 7 |
| 1980 | 5 |
| 1981 | 12 |
| 1982 | 7 |
| 1983 | 11 |
| 1984 | 13 |
| 1985 | 17 |
| 1986 | 18 |
| 1987 | 29 |
| 1988 | 16 |
| 1989 | 17 |
| 1990 | 17 |
| 1991 | 32 |
| 1992 | 26 |
| 1993 | 51 |
| 1994 | 38 |
| 1995 | 78 |
| 1996 | 76 |
| 1997 | 87 |
| 1998 | 120 |
| 1999 | 123 |
| 2000 | 187 |
| 2001 | 233 |
| 2002 | 290 |
| 2003 | 338 |
| 2004 | 395 |
| 2005 | 494 |
| 2006 | 553 |
| 2007 | 611 |
| 2008 | 800 |
| 2009 | 859 |
| 2010 | 1059 |
| 2011 | 1338 |
| 2012 | 1422 |
| 2013 | 1459 |
| 2014 | 1566 |
| 2015 | 1695 |
| 2016 | 1743 |
| 2017 | 1754 |
| 2018 | 1853 |
| 2019 | 1873 |
| 2020 | 2034 |
| 2021 | 2218 |
| 2022 | 1946 |
| 2023 | 1982 |
| 2024 | 1969 |
| 2025 | 783 |