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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1964 | 2 |
| 1965 | 30 |
| 1966 | 68 |
| 1967 | 71 |
| 1968 | 118 |
| 1969 | 117 |
| 1970 | 150 |
| 1971 | 146 |
| 1972 | 175 |
| 1973 | 190 |
| 1974 | 171 |
| 1975 | 133 |
| 1976 | 167 |
| 1977 | 163 |
| 1978 | 172 |
| 1979 | 190 |
| 1980 | 176 |
| 1981 | 183 |
| 1982 | 283 |
| 1983 | 287 |
| 1984 | 333 |
| 1985 | 362 |
| 1986 | 325 |
| 1987 | 393 |
| 1988 | 442 |
| 1989 | 433 |
| 1990 | 541 |
| 1991 | 561 |
| 1992 | 474 |
| 1993 | 558 |
| 1994 | 567 |
| 1995 | 588 |
| 1996 | 561 |
| 1997 | 557 |
| 1998 | 564 |
| 1999 | 578 |
| 2000 | 546 |
| 2001 | 660 |
| 2002 | 683 |
| 2003 | 817 |
| 2004 | 747 |
| 2005 | 783 |
| 2006 | 862 |
| 2007 | 960 |
| 2008 | 1226 |
| 2009 | 1274 |
| 2010 | 1300 |
| 2011 | 1424 |
| 2012 | 1316 |
| 2013 | 1081 |
| 2014 | 1028 |
| 2015 | 1031 |
| 2016 | 1015 |
| 2017 | 899 |
| 2018 | 971 |
| 2019 | 1065 |
| 2020 | 1162 |
| 2021 | 1161 |
| 2022 | 1007 |
| 2023 | 794 |
| 2024 | 322 |