| 1981 3 | 2000 8 | 2007 12 | | | | 1996.09-2000.07 | | 2000.07-2000.08 | 2000.08 2005.01 | | 2005.01 2008.07 | | 2002.09 - 2005.07 | | | 2008.07 2010.07 | | 2010.07 2014.07 | | | 2014.11 2016.01 | | | 2016.01 2017.10 | | 2011.08 - 2014.01 | 2015. | 05 2016.05 | | 2017.10 2018.01 | | 2018.01 2020.04 | 2019.03 | - 2020.01 | | | 2020.04-- | | | |