| 2025-01-01 | 448.238 | DT | |
| 2024-05-01 | 417.558 | DT | |
| 2022-10-01 | 390.692 | DT | |
| 2020-10-01 | 365.732 | DT | |
| 2019-05-01 | 343.892 | DT | |
| 2018-05-01 | 323.439 | DT | |
| 2016-08-01 | 305.586 | DT | |
| 2015-05-01 | 289.639 | DT | |
| 2014-05-01 | 274.559 | DT | |
| 2012-07-01 | 259.479 | DT | |
| 2011-05-01 | 246.306 | DT | |
| 2010-07-01 | 235.04 | DT | |
| 2009-08-01 | 225.16 | DT | |
| 2008-07-01 | 217.88 | DT | |
| 2007-07-01 | 207.828 | DT | |
| 2006-07-01 | 200.721 | DT | |
| 2005-09-01 | 194.827 | DT | |
| 2004-07-01 | 189.8 | DT | |
| 2003-07-01 | 183.906 | DT | |
| 2002-07-01 | 176.799 | DT | |
| 2001-07-01 | 170.905 | DT | |
| 2000-05-01 | 163.798 | DT | |
| 1999-08-19 | 158.771 | DT | |
| 1999-05-01 | 156.691 | DT | |
| 1998-08-20 | 151.664 | DT | |
| 1997-11-07 | 149.237 | DT | |
| 1997-07-20 | 144.211 | DT | |
| 1996-09-09 | 142.131 | DT | |
| 1996-05-01 | 140.051 | DT | |
| 1995-05-01 | 135.024 | DT | |
| 1994-08-01 | 129.131 | DT | |
| 1993-08-01 | 127.051 | DT | |
| 1993-05-01 | 124.971 | DT | |
| 1992-08-01 | 118.398 | DT | |
| 1992-05-01 | 116.318 | DT | |
| 1991-08-01 | 109.706 | DT | |
| 1990-01-01 | 107.706 | DT | |
| 1989-08-01 | 99.386 | DT | |
| 1988-04-01 | 96.386 | DT | |
| 1987-11-01 | 92.226 | DT | |
| 1986-07-01 | 88.066 | DT | |
| 1983-01-01 | 83.906 | DT | |
| 1982-02-01 | 75.586 | DT | |
| 1981-04-01 | 55.586 | DT | |
| 1980-05-01 | 45.586 | DT | |
| 1980-02-01 | 41.418 | DT | |
| 1979-05-01 | 40.212 | DT | |
| 1978-05-01 | 38.817 | DT | |
| 1977-02-01 | 35.133 | DT | |
| 1975-06-01 | 25.133 | DT | |
| 1974-01-01 | 22.533 | DT | |
| 1971-05-01 | 18.026 | DT | |
| 1968-05-01 | 14.56 | DT | |
| 1966-01-01 | 14.56 | DT | |
| 1961-04-01 | 13.173 | DT | |