| 2025-01-01 | 528.32 | DT | |
| 2024-05-01 | 491.504 | DT | |
| 2022-10-01 | 459.264 | DT | |
| 2020-10-01 | 429.312 | DT | |
| 2019-05-01 | 403.104 | DT | |
| 2018-05-01 | 378.56 | DT | |
| 2016-08-01 | 357.136 | DT | |
| 2015-05-01 | 338 | DT | |
| 2014-05-01 | 319.904 | DT | |
| 2012-07-01 | 301.808 | DT | |
| 2011-05-01 | 286 | DT | |
| 2010-07-01 | 272.48 | DT | |
| 2009-08-01 | 260.624 | DT | |
| 2008-07-01 | 251.888 | DT | |
| 2007-07-01 | 239.824 | DT | |
| 2006-07-01 | 231.296 | DT | |
| 2005-09-01 | 224.224 | DT | |
| 2004-07-01 | 218.192 | DT | |
| 2003-07-01 | 211.12 | DT | |
| 2002-07-01 | 202.592 | DT | |
| 2001-07-01 | 195.52 | DT | |
| 2000-05-01 | 186.992 | DT | |
| 1999-08-19 | 180.96 | DT | |
| 1999-05-01 | 178.88 | DT | |
| 1998-08-20 | 172.848 | DT | |
| 1997-11-07 | 170.352 | DT | |
| 1997-07-20 | 164.32 | DT | |
| 1996-09-09 | 162.24 | DT | |
| 1996-05-01 | 160.16 | DT | |
| 1995-05-01 | 154.128 | DT | |
| 1994-08-01 | 147.056 | DT | |
| 1993-08-01 | 144.976 | DT | |
| 1993-05-01 | 142.896 | DT | |
| 1992-08-01 | 134.992 | DT | |
| 1992-05-01 | 132.912 | DT | |
| 1991-08-01 | 125.016 | DT | |
| 1990-01-01 | 123.016 | DT | |
| 1989-08-01 | 113.032 | DT | |
| 1988-04-01 | 110.032 | DT | |
| 1987-11-01 | 105.04 | DT | |
| 1986-07-01 | 100.048 | DT | |
| 1983-01-01 | 95.056 | DT | |
| 1982-02-01 | 85.072 | DT | |
| 1981-04-01 | 64.704 | DT | |
| 1980-05-01 | 54.704 | DT | |
| 1980-02-01 | 49.703 | DT | |
| 1979-05-01 | 48.256 | DT | |
| 1978-05-01 | 44.58 | DT | |
| 1977-02-01 | 40.16 | DT | |
| 1975-06-01 | 30.16 | DT | |
| 1974-01-01 | 27.04 | DT | |
| 1971-05-01 | 21.632 | DT | |
| 1968-05-01 | 17.472 | DT | |
| 1966-01-01 | 17.472 | DT | |
| 1961-04-01 | 15.808 | DT | |