Wave 1: 2007 Pre-Election Upper House
Wave 2: 2009 Pre-Election Lower House
Wave 3: 2009 Post-Election Lower House
Wave 4-1: 2010 Non Election Panel
Wave 4-2: 2010 Non Election New samples
Wave 5: 2010 Pre-Election Upper House
Wave 6: 2010 Post-Election Upper House
Wave 7: 2011 Non-Election
