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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 5 |
| 1950 | 4 |
| 1951 | 8 |
| 1952 | 8 |
| 1953 | 6 |
| 1954 | 13 |
| 1955 | 3 |
| 1956 | 10 |
| 1957 | 12 |
| 1958 | 15 |
| 1959 | 8 |
| 1960 | 4 |
| 1961 | 14 |
| 1962 | 21 |
| 1963 | 19 |
| 1964 | 19 |
| 1965 | 28 |
| 1966 | 1 |
| 1968 | 3 |
| 1972 | 1 |
| 1973 | 4 |
| 1974 | 87 |
| 1975 | 105 |
| 1976 | 122 |
| 1977 | 104 |
| 1978 | 183 |
| 1979 | 280 |
| 1980 | 294 |
| 1981 | 304 |
| 1982 | 444 |
| 1983 | 360 |
| 1984 | 404 |
| 1985 | 378 |
| 1986 | 298 |
| 1987 | 360 |
| 1988 | 406 |
| 1989 | 621 |
| 1990 | 811 |
| 1991 | 791 |
| 1992 | 912 |
| 1993 | 820 |
| 1994 | 919 |
| 1995 | 967 |
| 1996 | 795 |
| 1997 | 761 |
| 1998 | 614 |
| 1999 | 547 |
| 2000 | 813 |
| 2001 | 835 |
| 2002 | 861 |
| 2003 | 709 |
| 2004 | 847 |
| 2005 | 925 |
| 2006 | 1250 |
| 2007 | 1287 |
| 2008 | 1523 |
| 2009 | 1501 |
| 2010 | 1360 |
| 2011 | 1362 |
| 2012 | 1374 |
| 2013 | 1442 |
| 2014 | 1420 |
| 2015 | 1496 |
| 2016 | 1511 |
| 2017 | 1476 |
| 2018 | 1607 |
| 2019 | 1481 |
| 2020 | 1374 |
| 2021 | 1278 |
| 2022 | 1173 |
| 2023 | 1085 |
| 2024 | 456 |