| | | | | | | | | | | | | | | | | | | | | | | 2011 | | | 15% | 30% 13% | 1/10 | 20% | 10% | 10 % | | 12% | | | | | | | | | | | | | | | | | | | 70% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 60% 10% | | | | | | | | 1/10 | | | | | | | | | | | | | | | | | | | | | |