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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 14 |
| 1966 | 14 |
| 1967 | 15 |
| 1968 | 19 |
| 1969 | 24 |
| 1970 | 33 |
| 1971 | 33 |
| 1972 | 36 |
| 1973 | 30 |
| 1974 | 18 |
| 1975 | 24 |
| 1976 | 21 |
| 1977 | 23 |
| 1978 | 26 |
| 1979 | 25 |
| 1980 | 23 |
| 1981 | 29 |
| 1982 | 26 |
| 1983 | 29 |
| 1984 | 35 |
| 1985 | 37 |
| 1986 | 65 |
| 1987 | 90 |
| 1988 | 83 |
| 1989 | 93 |
| 1990 | 117 |
| 1991 | 106 |
| 1992 | 102 |
| 1993 | 156 |
| 1994 | 117 |
| 1995 | 119 |
| 1996 | 150 |
| 1997 | 173 |
| 1998 | 149 |
| 1999 | 171 |
| 2000 | 185 |
| 2001 | 194 |
| 2002 | 189 |
| 2003 | 227 |
| 2004 | 207 |
| 2005 | 291 |
| 2006 | 370 |
| 2007 | 323 |
| 2008 | 408 |
| 2009 | 421 |
| 2010 | 404 |
| 2011 | 448 |
| 2012 | 474 |
| 2013 | 497 |
| 2014 | 543 |
| 2015 | 599 |
| 2016 | 594 |
| 2017 | 596 |
| 2018 | 570 |
| 2019 | 668 |
| 2020 | 541 |
| 2021 | 301 |
| 2022 | 58 |
| 2023 | 42 |
| 2024 | 903 |
| 2025 | 770 |