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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1965 | 22 |
| 1966 | 69 |
| 1967 | 179 |
| 1968 | 239 |
| 1969 | 290 |
| 1970 | 314 |
| 1971 | 363 |
| 1972 | 417 |
| 1973 | 507 |
| 1974 | 549 |
| 1975 | 670 |
| 1976 | 777 |
| 1977 | 812 |
| 1978 | 791 |
| 1979 | 930 |
| 1980 | 838 |
| 1981 | 790 |
| 1982 | 809 |
| 1983 | 760 |
| 1984 | 778 |
| 1985 | 766 |
| 1986 | 760 |
| 1987 | 716 |
| 1988 | 672 |
| 1989 | 681 |
| 1990 | 645 |
| 1991 | 652 |
| 1992 | 593 |
| 1993 | 514 |
| 1994 | 497 |
| 1995 | 454 |
| 1996 | 393 |
| 1997 | 361 |
| 1998 | 318 |
| 1999 | 356 |
| 2000 | 342 |
| 2001 | 323 |
| 2002 | 295 |
| 2003 | 264 |
| 2004 | 256 |
| 2005 | 270 |
| 2006 | 274 |
| 2007 | 294 |
| 2008 | 281 |
| 2009 | 275 |
| 2010 | 305 |
| 2011 | 306 |
| 2012 | 298 |
| 2013 | 262 |
| 2014 | 249 |
| 2015 | 240 |
| 2016 | 233 |
| 2017 | 185 |
| 2018 | 157 |
| 2019 | 152 |
| 2020 | 145 |
| 2021 | 120 |
| 2022 | 65 |
| 2023 | 47 |
| 2024 | 15 |