Casual vacancies
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10th Legislative Assembly (2020-2024)
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9th Legislative Assembly (2016-2020)
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8th Legislative Assembly (2012-2016)
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7th Legislative Assembly (2008-2012)
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6th Legislative Assembly (2004-2008)
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5th Legislative Assembly (2001-2004)
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4th Legislative Assembly (1998-2001)
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3rd Legislative Assembly (1995-1998)
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2nd Legislative Assemblies (1992-1995)
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1st Legislative Assemblies (1989-1992)