Date: 1. Nov 2011
Percentage: 22.1
Ranking: 12 to 20
Adjustment:

Date: 2. Feb to Mar 2012
Percentage: 20.3
Ranking: 13 to 24
Adjustment:

Date: 3. May 2012
Percentage: 29.6
Ranking: 9 to 14
Adjustment:

Date: 4. Aug to Sept 2012
Percentage: 26.2
Ranking: 12 to 16
Adjustment:

Date: 5. Jan 2013
Percentage: 30
Ranking: 13 to 16
Adjustment:

Date: 6. Feb 2013
Percentage: 32.2
Ranking: 11 to 16
Adjustment:

Date: 7. Mar 2013
Percentage: 30.7
Ranking: 12 to 17
Adjustment:

Date: 8. Apr 2013
Percentage: 22.4
Ranking: 14 to 18
Adjustment: