分面浏览：发表日期 |
| 当前检索式 | ((ALL：美国)) |
| 限定条件 | 无 |
| 2027 1 | 2025 2 | 2023 13 |
| 2022 81 | 2021 125 | 2020 155 |
| 2019 880 | 2018 1352 | 2017 1668 |
| 2016 2437 | 2015 2497 | 2014 2612 |
| 2013 2614 | 2012 2960 | 2011 2543 |
| 2010 3389 | 2009 2390 | 2008 1996 |
| 2007 1787 | 2006 1812 | 2005 1815 |
| 2004 1808 | 2003 1554 | 2002 1388 |
| 2001 976 | 2000 847 | 1999 650 |
| 1998 648 | 1997 486 | 1996 484 |
| 1995 412 | 1994 453 | 1993 320 |
| 1992 282 | 1991 306 | 1990 253 |
| 1989 270 | 1988 271 | 1987 186 |
| 1986 210 | 1985 138 | 1984 147 |
| 1983 95 | 1982 102 | 1981 101 |
| 1980 55 | 1979 36 | 1978 31 |
| 1977 23 | 1976 17 | 1975 19 |
| 1974 19 | 1973 9 | 1972 16 |
| 1971 23 | 1970 1 | 1969 2 |
| 1968 1 | 1967 2 | 1966 2 |
| 1965 3 | 1964 3 | 1963 2 |
| 1962 1 | 1960 1 | 1959 2 |
| 1958 3 | 1957 2 | 1956 3 |
| 1954 2 | 1952 1 | 1949 1 |
| 1948 1 | 1947 4 | 1944 1 |
| 1941 2 | 1940 7 | 1937 1 |
| 1936 1 | 1935 1 | 1934 1 |
| 1933 2 | 1932 2 | 1930 1 |
| 1929 1 | 1928 1 |
