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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1951 | 6 |
| 1952 | 8 |
| 1953 | 22 |
| 1954 | 24 |
| 1955 | 14 |
| 1956 | 17 |
| 1957 | 33 |
| 1958 | 22 |
| 1959 | 18 |
| 1960 | 26 |
| 1961 | 30 |
| 1962 | 23 |
| 1963 | 3 |
| 1964 | 3 |
| 1965 | 80 |
| 1966 | 185 |
| 1967 | 255 |
| 1968 | 334 |
| 1969 | 408 |
| 1970 | 474 |
| 1971 | 562 |
| 1972 | 600 |
| 1973 | 685 |
| 1974 | 879 |
| 1975 | 934 |
| 1976 | 1038 |
| 1977 | 1178 |
| 1978 | 1310 |
| 1979 | 1385 |
| 1980 | 1682 |
| 1981 | 1540 |
| 1982 | 1785 |
| 1983 | 1797 |
| 1984 | 1919 |
| 1985 | 2022 |
| 1986 | 2254 |
| 1987 | 2192 |
| 1988 | 2103 |
| 1989 | 2487 |
| 1990 | 2493 |
| 1991 | 2297 |
| 1992 | 2568 |
| 1993 | 2687 |
| 1994 | 2745 |
| 1995 | 2737 |
| 1996 | 2698 |
| 1997 | 2749 |
| 1998 | 2874 |
| 1999 | 2835 |
| 2000 | 3169 |
| 2001 | 3282 |
| 2002 | 3419 |
| 2003 | 3662 |
| 2004 | 4231 |
| 2005 | 4599 |
| 2006 | 4764 |
| 2007 | 5006 |
| 2008 | 5301 |
| 2009 | 5570 |
| 2010 | 5830 |
| 2011 | 5896 |
| 2012 | 6125 |
| 2013 | 6433 |
| 2014 | 6572 |
| 2015 | 6601 |
| 2016 | 6099 |
| 2017 | 6059 |
| 2018 | 5681 |
| 2019 | 5509 |
| 2020 | 5243 |
| 2021 | 4540 |
| 2022 | 2756 |
| 2023 | 1682 |
| 2024 | 1251 |