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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1952 | 1 |
| 1956 | 40 |
| 1957 | 65 |
| 1958 | 49 |
| 1959 | 54 |
| 1960 | 74 |
| 1961 | 113 |
| 1962 | 52 |
| 1963 | 1 |
| 1964 | 24 |
| 1965 | 196 |
| 1966 | 330 |
| 1967 | 394 |
| 1968 | 428 |
| 1969 | 487 |
| 1970 | 374 |
| 1971 | 468 |
| 1972 | 481 |
| 1973 | 480 |
| 1974 | 475 |
| 1975 | 490 |
| 1976 | 529 |
| 1977 | 544 |
| 1978 | 589 |
| 1979 | 526 |
| 1980 | 571 |
| 1981 | 559 |
| 1982 | 546 |
| 1983 | 612 |
| 1984 | 616 |
| 1985 | 648 |
| 1986 | 673 |
| 1987 | 626 |
| 1988 | 557 |
| 1989 | 704 |
| 1990 | 703 |
| 1991 | 691 |
| 1992 | 716 |
| 1993 | 743 |
| 1994 | 708 |
| 1995 | 761 |
| 1996 | 754 |
| 1997 | 809 |
| 1998 | 766 |
| 1999 | 807 |
| 2000 | 821 |
| 2001 | 843 |
| 2002 | 795 |
| 2003 | 822 |
| 2004 | 822 |
| 2005 | 866 |
| 2006 | 887 |
| 2007 | 871 |
| 2008 | 990 |
| 2009 | 1038 |
| 2010 | 1121 |
| 2011 | 1167 |
| 2012 | 1171 |
| 2013 | 1255 |
| 2014 | 1338 |
| 2015 | 1379 |
| 2016 | 1957 |
| 2017 | 2113 |
| 2018 | 2180 |
| 2019 | 2006 |
| 2020 | 2115 |
| 2021 | 1969 |
| 2022 | 1615 |
| 2023 | 1520 |
| 2024 | 487 |