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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 8 |
| 1967 | 159 |
| 1968 | 201 |
| 1969 | 226 |
| 1970 | 228 |
| 1971 | 234 |
| 1972 | 320 |
| 1973 | 362 |
| 1974 | 441 |
| 1975 | 445 |
| 1976 | 421 |
| 1977 | 463 |
| 1978 | 426 |
| 1979 | 484 |
| 1980 | 448 |
| 1981 | 492 |
| 1982 | 531 |
| 1983 | 453 |
| 1984 | 568 |
| 1985 | 560 |
| 1986 | 591 |
| 1987 | 603 |
| 1988 | 679 |
| 1989 | 758 |
| 1990 | 848 |
| 1991 | 945 |
| 1992 | 985 |
| 1993 | 991 |
| 1994 | 1034 |
| 1995 | 1098 |
| 1996 | 1177 |
| 1997 | 1275 |
| 1998 | 1325 |
| 1999 | 1273 |
| 2000 | 1445 |
| 2001 | 1393 |
| 2002 | 1431 |
| 2003 | 1447 |
| 2004 | 1501 |
| 2005 | 1641 |
| 2006 | 1595 |
| 2007 | 1718 |
| 2008 | 1543 |
| 2009 | 1528 |
| 2010 | 1569 |
| 2011 | 1638 |
| 2012 | 1880 |
| 2013 | 1645 |
| 2014 | 1603 |
| 2015 | 1458 |
| 2016 | 958 |
| 2017 | 979 |
| 2018 | 871 |
| 2019 | 850 |
| 2020 | 818 |
| 2021 | 825 |
| 2022 | 765 |
| 2023 | 587 |
| 2024 | 215 |