 | Ninth-term Commissioners (February 1, 2017- January 31, 2021 )
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| Eighth-term Commissioners (February 1, 2013 - January 31, 2017 )
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| Seventh-term Commissioners (February 1, 2010 - January 31, 2013)
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| Sixth-term Commissioners (February 1, 2007 -January 31,2010) |
| Fifth-term Commissioners (February 1, 2004 - January 31, 2007) |
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| Fourth-term Commissioners (February 1, 2001 - January 31, 2004) |
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| Third-term Commissioners (February 1, 1998 - January 31, 2001) |
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| Second-term Commissioners (February 1, 1995 - January 31, 1998) |
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| First-term Commissioners ( February 1, 1992 - January 31, 1995 ) |