Region | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | Average |
Sichuan Province | 0.884 | 1 | 0.936 | 0.936 | 0.961 | 1 | 1 | 1 | 1 | 1 | 0.804 | 0.893 | 1 | 1 | 0.958 |
Chengdu Plain | 1 | 1 | 0.979 | 0.979 | 1 | 1 | 0.919 | 0.915 | 0.93 | 0.903 | 0.733 | 0.869 | 0.974 | 1 | 0.943 |
Chuan’nan Region | 0.868 | 1 | 0.935 | 0.951 | 0.932 | 0.996 | 1 | 0.997 | 1 | 0.998 | 0.825 | 0.868 | 1 | 1 | 0.955 |
Chuandongbei Region | 0.937 | 1 | 0.944 | 0.948 | 0.931 | 1 | 0.972 | 0.976 | 1 | 1 | 0.863 | 0.871 | 1 | 1 | 0.960 |
Panxi Region | 1 | 1 | 0.972 | 0.966 | 0.922 | 0.925 | 0.985 | 0.963 | 1 | 0.873 | 0.715 | 0.822 | 0.895 | 1 | 0.931 |
Chuanxibei Region | 1 | 0.997 | 1 | 0.963 | 0.928 | 0.967 | 0.988 | 0.966 | 1 | 1 | 0.781 | 0.828 | 0.979 | 1 | 0.957 |