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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 36 |
| 1966 | 93 |
| 1967 | 140 |
| 1968 | 183 |
| 1969 | 238 |
| 1970 | 272 |
| 1971 | 375 |
| 1972 | 444 |
| 1973 | 524 |
| 1974 | 543 |
| 1975 | 585 |
| 1976 | 561 |
| 1977 | 539 |
| 1978 | 579 |
| 1979 | 561 |
| 1980 | 530 |
| 1981 | 521 |
| 1982 | 671 |
| 1983 | 798 |
| 1984 | 1047 |
| 1985 | 1039 |
| 1986 | 967 |
| 1987 | 934 |
| 1988 | 1099 |
| 1989 | 1019 |
| 1990 | 1141 |
| 1991 | 1049 |
| 1992 | 1071 |
| 1993 | 1127 |
| 1994 | 1027 |
| 1995 | 1020 |
| 1996 | 1135 |
| 1997 | 1055 |
| 1998 | 1153 |
| 1999 | 1207 |
| 2000 | 1175 |
| 2001 | 1137 |
| 2002 | 1256 |
| 2003 | 1305 |
| 2004 | 1417 |
| 2005 | 1547 |
| 2006 | 1830 |
| 2007 | 1979 |
| 2008 | 1933 |
| 2009 | 1914 |
| 2010 | 2074 |
| 2011 | 2283 |
| 2012 | 2277 |
| 2013 | 2445 |
| 2014 | 2413 |
| 2015 | 2524 |
| 2016 | 2438 |
| 2017 | 2602 |
| 2018 | 2787 |
| 2019 | 2709 |
| 2020 | 2179 |
| 2021 | 1265 |
| 2022 | 195 |
| 2023 | 161 |
| 2024 | 2175 |
| 2025 | 1372 |