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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 2 |
| 1958 | 1 |
| 1964 | 5 |
| 1965 | 14 |
| 1966 | 50 |
| 1967 | 123 |
| 1968 | 120 |
| 1969 | 142 |
| 1970 | 155 |
| 1971 | 141 |
| 1972 | 153 |
| 1973 | 169 |
| 1974 | 195 |
| 1975 | 153 |
| 1976 | 163 |
| 1977 | 174 |
| 1978 | 195 |
| 1979 | 198 |
| 1980 | 207 |
| 1981 | 211 |
| 1982 | 240 |
| 1983 | 230 |
| 1984 | 269 |
| 1985 | 247 |
| 1986 | 245 |
| 1987 | 229 |
| 1988 | 230 |
| 1989 | 254 |
| 1990 | 262 |
| 1991 | 251 |
| 1992 | 293 |
| 1993 | 266 |
| 1994 | 276 |
| 1995 | 299 |
| 1996 | 315 |
| 1997 | 318 |
| 1998 | 344 |
| 1999 | 301 |
| 2000 | 378 |
| 2001 | 394 |
| 2002 | 412 |
| 2003 | 440 |
| 2004 | 496 |
| 2005 | 495 |
| 2006 | 601 |
| 2007 | 654 |
| 2008 | 668 |
| 2009 | 709 |
| 2010 | 782 |
| 2011 | 902 |
| 2012 | 890 |
| 2013 | 990 |
| 2014 | 914 |
| 2015 | 1017 |
| 2016 | 1016 |
| 2017 | 1021 |
| 2018 | 1012 |
| 2019 | 1007 |
| 2020 | 978 |
| 2021 | 774 |
| 2022 | 598 |
| 2023 | 480 |
| 2024 | 232 |