| | | | | 2002 | 2009 | | | | 30 | 450 | | | | | | | | | | | | | | | | 70% | | | | | | | | | | | | | | | | | | | | 1 | | | | | | | 90% | 2 | | | | | 3 | | | | 3 | | | 4 | | | | | | |