Table:
text: Opinion polling for the Norwegian parliamentary election, 2009
Average polling
By month
Party Result_Parliam_election_2005 Result_County_elections_2007 Aug_2008 Sep_2008 Oct_2008 Nov_2008 Dec_2008 Jan_2009 Feb_2009 Mar_2009 Apr_2009 May_2009 Jun_2009 Jul_2009 Aug_2009
Labour 32.7% 30.8% 26.5% 29.0% 30.6% 31.4% 30.7% 33.9% 34.2% 32.8% 32.5% 32.9% 32.9% 33.1% 32.4%
Progress 22.1% 18.5% 30.8% 29.6% 26.5% 24.2% 23.7% 23.2% 24.1% 27.3% 27.0% 26.4% 26.0% 28.2% 25.7%
Conservative 14.1% 18.8% 16.3% 15.4% 16.1% 15.9% 17.4% 16.1% 15.1% 13.8% 13.9% 13.8% 13.5% 12.9% 13.8%
Socialist Left 8.8% 6.5% 6.7% 6.5% 7.3% 7.7% 7.8% 7.5% 7.1% 7.0% 7.1% 7.5% 7.3% 7.2% 8.1%
Christian Democratic 6.8% 6.7% 5.5% 5.6% 5.6% 6.6% 6.3% 6.0% 6.0% 6.2% 6.0% 6.0% 5.8% 5.9% 6.1%
Centre 6.5% 7.8% 5.2% 5.0% 5.3% 5.5% 5.7% 5.5% 4.9% 5.5% 5.8% 5.0% 5.8% 5.1% 5.6%

Question: If in the opinion polls for the 2009 Norwegian general election, the average polling rate per month in July 2009 was 7.2%, what was it in May 2009?

Question: What was the monthly average of polls in August 2009 when it was 5.0% in September 2009 in the opinion poll for the Norwegian general election 2009?

Question: According to opinion polls for the Norwegian parliamentary elections in 2009, how many per month were there average poll counts in October 2008, while in August 2008 it was 30.8%?

Question: Name the party(ies) when the average poll percentage for the month in December 2008 in the opinion polls for the 2009 Norwegian general election was 6.3%. ?