| 2024 | July 1, 2025 to June 30, 2026 | 13.0 | N/A |
| 2023 | July 1, 2024 t0 June 30, 2025 | 12.6 | N/A |
| 2022 | July 1, 2023 to June 30, 2024 | 12.6 | Reval |
| 2021 | July 1, 2022 to June 30, 2023 | 15.25 | N/A |
| 2020 | July 1, 2021 to June 30, 2022 | 15.4 | N/A
|
| 2019 | July 1, 2020, to June 30, 2021 | 15.8 | N/A
|
| 2018 | July 1, 2019 to June 30, 2020 | 15.85 | N/A
|
| 2017 | July 1, 2018 to June 30, 2019 | 15.85 | Reval |
| 2016 | July 1, 2017 to June 30, 2018 | 14.2 | N/A
|
| 2015 | July 1, 2016 to June 30, 2017 | 14.2 | N/A
|
| 2014 | July 1, 2015 to June 30, 2016 | 13.7 | N/A
|
| 2013 | July 1, 2014 to June 30, 2015 | 13.4 | N/A
|
2012 | July 1, 2013 to June 30, 2014 | 13.3 | Reval |
| 2011 | July 1, 2012 to June 30, 2013 | 12.1 | N/A
|
2010 | July 1, 2011 to June 30, 2012 | 11.9 | N/A
|
| 2009 | July 1, 2010 to June 30, 2011 | 11.4 | N/A
|
| 2008 | July 1, 2009 to June 30, 2010 | 10.9 | N/A
|
2007 | July 1, 2008 to June 30, 2009 | 10.9 | N/A
|
| 2006 | July 1, 2007 to June 30, 2008 | 15.4 | Reval |
| 2005 | July 1, 2006 to June 30, 2007 | 15.4 | N/A
|
| 2004 | July 1, 2005 to June 30, 2006 | 15.4 | N/A
|
| 2003 | July 1, 2004 to June 30, 2005 | 15.4 | N/A
|
| 2002 | July 1, 2003 to June 30, 2004 | 15.4 | N/A
|
| 2001 | July 1, 2002 to June 30, 2003 | 20.2 | N/A
|
| 2000 | July 1, 2001 to June 30, 2002 | 19.54 | N/A
|
| 1999 | July 1, 2000 to June 30, 2001 | 19.54 | Reval |
| 1998 | July 1, 1999 to June 30, 2000 | 19.0 | N/A
|
| 1997 | July 1, 1998 to June 30, 1999 | 17.5 | N/A
|
| 1996 | July 1, 1997 to June 30, 1998 | 17.5 | N/A
|
| 1995 | July 1, 1996 to June 30, 1997 | 17.9 | N/A
|
| 1994 | July 1, 1995 to June 30, 1996 | 17.9 | N/A
|