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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1964 | 2 |
| 1965 | 7 |
| 1966 | 37 |
| 1967 | 93 |
| 1968 | 138 |
| 1969 | 174 |
| 1970 | 162 |
| 1971 | 194 |
| 1972 | 164 |
| 1973 | 179 |
| 1974 | 203 |
| 1975 | 177 |
| 1976 | 174 |
| 1977 | 159 |
| 1978 | 208 |
| 1979 | 237 |
| 1980 | 173 |
| 1981 | 167 |
| 1982 | 208 |
| 1983 | 238 |
| 1984 | 239 |
| 1985 | 266 |
| 1986 | 290 |
| 1987 | 314 |
| 1988 | 349 |
| 1989 | 412 |
| 1990 | 443 |
| 1991 | 462 |
| 1992 | 478 |
| 1993 | 571 |
| 1994 | 515 |
| 1995 | 592 |
| 1996 | 552 |
| 1997 | 608 |
| 1998 | 584 |
| 1999 | 600 |
| 2000 | 679 |
| 2001 | 681 |
| 2002 | 759 |
| 2003 | 861 |
| 2004 | 849 |
| 2005 | 951 |
| 2006 | 1009 |
| 2007 | 1113 |
| 2008 | 1278 |
| 2009 | 1459 |
| 2010 | 1578 |
| 2011 | 1925 |
| 2012 | 2141 |
| 2013 | 2327 |
| 2014 | 2186 |
| 2015 | 2134 |
| 2016 | 2005 |
| 2017 | 2126 |
| 2018 | 2168 |
| 2019 | 2086 |
| 2020 | 1903 |
| 2021 | 1252 |
| 2022 | 151 |
| 2023 | 44 |
| 2024 | 22 |