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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1959 | 7 |
| 1960 | 15 |
| 1961 | 17 |
| 1962 | 12 |
| 1964 | 5 |
| 1965 | 53 |
| 1966 | 122 |
| 1967 | 99 |
| 1968 | 138 |
| 1969 | 129 |
| 1970 | 127 |
| 1971 | 151 |
| 1972 | 169 |
| 1973 | 178 |
| 1974 | 183 |
| 1975 | 195 |
| 1976 | 177 |
| 1977 | 195 |
| 1978 | 268 |
| 1979 | 222 |
| 1980 | 234 |
| 1981 | 246 |
| 1982 | 286 |
| 1983 | 321 |
| 1984 | 420 |
| 1985 | 372 |
| 1986 | 382 |
| 1987 | 455 |
| 1988 | 493 |
| 1989 | 487 |
| 1990 | 533 |
| 1991 | 613 |
| 1992 | 662 |
| 1993 | 665 |
| 1994 | 754 |
| 1995 | 747 |
| 1996 | 732 |
| 1997 | 716 |
| 1998 | 733 |
| 1999 | 737 |
| 2000 | 743 |
| 2001 | 769 |
| 2002 | 710 |
| 2003 | 798 |
| 2004 | 861 |
| 2005 | 1055 |
| 2006 | 1031 |
| 2007 | 1010 |
| 2008 | 1131 |
| 2009 | 1217 |
| 2010 | 1312 |
| 2011 | 1294 |
| 2012 | 1392 |
| 2013 | 1425 |
| 2014 | 1507 |
| 2015 | 1577 |
| 2016 | 1475 |
| 2017 | 1574 |
| 2018 | 1603 |
| 2019 | 1688 |
| 2020 | 1699 |
| 2021 | 1714 |
| 2022 | 1328 |
| 2023 | 1258 |
| 2024 | 421 |