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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 7 |
| 1951 | 3 |
| 1952 | 47 |
| 1953 | 38 |
| 1954 | 29 |
| 1955 | 36 |
| 1956 | 37 |
| 1957 | 19 |
| 1958 | 16 |
| 1959 | 10 |
| 1960 | 6 |
| 1961 | 13 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 19 |
| 1965 | 133 |
| 1966 | 290 |
| 1967 | 338 |
| 1968 | 379 |
| 1969 | 453 |
| 1970 | 449 |
| 1971 | 521 |
| 1972 | 607 |
| 1973 | 623 |
| 1974 | 635 |
| 1975 | 660 |
| 1976 | 738 |
| 1977 | 727 |
| 1978 | 734 |
| 1979 | 693 |
| 1980 | 548 |
| 1981 | 543 |
| 1982 | 680 |
| 1983 | 758 |
| 1984 | 746 |
| 1985 | 698 |
| 1986 | 716 |
| 1987 | 655 |
| 1988 | 751 |
| 1989 | 815 |
| 1990 | 901 |
| 1991 | 937 |
| 1992 | 907 |
| 1993 | 1017 |
| 1994 | 1056 |
| 1995 | 1171 |
| 1996 | 1200 |
| 1997 | 1341 |
| 1998 | 1373 |
| 1999 | 1542 |
| 2000 | 1757 |
| 2001 | 2154 |
| 2002 | 2176 |
| 2003 | 2640 |
| 2004 | 2573 |
| 2005 | 2817 |
| 2006 | 2951 |
| 2007 | 2926 |
| 2008 | 3063 |
| 2009 | 3167 |
| 2010 | 3477 |
| 2011 | 4615 |
| 2012 | 4617 |
| 2013 | 4790 |
| 2014 | 4369 |
| 2015 | 4617 |
| 2016 | 3972 |
| 2017 | 4131 |
| 2018 | 4128 |
| 2019 | 4112 |
| 2020 | 3702 |
| 2021 | 5086 |
| 2022 | 4181 |
| 2023 | 2707 |
| 2024 | 6203 |
| 2025 | 3944 |
| 2026 | 2 |