| 月數 | |||||
| 高峰 | 谷底 | 收縮期 | 擴張期 | 循環週期 | |
| 以季表示 | 高峰 至 谷底 |
前一谷底 至 此次高峰 |
從前一谷底 至 谷底 |
前一高峰 至 高峰 | |
| June 1899 (III) | December 1900 (IV) | 18 | 24 | 42 | 42 |
| September 1902 (IV) | August 1904 (III) | 23 | 21 | 44 | 39 |
| May 1907 (II) | June 1908 (II) | 13 | 33 | 46 | 56 |
| January 1910 (I) | January 1912 (IV) | 24 | 19 | 43 | 32 |
| January 1913 (I) | December 1914 (IV) | 23 | 22 | 35 | 36 |
| August 1918 (III) | March 1919 (I) | 7 | 44 | 51 | 67 |
| January 1920 (I) | July 1921 (III) | 18 | 10 | 28 | 17 |
| May 1923 (II) | July 1924 (III) | 14 | 22 | 36 | 40 |
| October 1926 (III) | November 1927 (IV) | 13 | 27 | 40 | 41 |
| August 1929 (III) | March 1933 (I) | 43 | 21 | 64 | 34 |
| May 1937 (II) | June 1938 (II) | 13 | 50 | 63 | 93 |
| February 1945 (I) | October 1945 (IV) | 8 | 80 | 88 | 93 |
| November 1948 (IV) | October 1949 (IV) | 11 | 37 | 48 | 45 |
| July 1953 (II) | May 1954 (II) | 10 | 45 | 55 | 56 |
| August 1957 (III) | April 1958 (II) | 8 | 39 | 47 | 49 |
| April 1960 (II) | February 1961 (I) | 10 | 24 | 34 | 32 |
| December 1969 (IV) | November 1970 (IV) | 11 | 106 | 117 | 116 |
| November 1973 (IV) | March 1975 (I) | 16 | 36 | 52 | 47 |
| January 1980 (I) | July 1980 (III) | 6 | 58 | 64 | 74 |
| July 1981 (III) | November 1982 (IV) | 16 | 12 | 28 | 18 |
| July 1990 (III) | March 1991 (I) | 8 | 92 | 100 | 108 |
| March 2001 (I) | November 2001 (IV) | 8 | 120 | 128 | 128 |
| December 2007 (IV) | 73 | 81 | |||
| Average, all cycles： | |||||
| 1854~2001 (32 cycles) | 17 | 38 | 55 | 56* | |
| 1854~1919 (16 cycles) | 22 | 27 | 48 | 49** | |
| 1919~1945 (6 cycles) | 18 | 35 | 53 | 53 | |
| 1945~2001 (10 cycles) | 10 | 57 | 67 | 67 | |
| *31 cycles | |||||
| **15 cycles | |||||
| Source: NBER網站 | |||||
全站熱搜
留言列表
