Cities | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | Mean Value | Rank |
Beijing | 0.67764 | 0.34159 | 0.91007 | 1.08823 | 0.33394 | 0.7553 | 1.00815 | 0.730703 | 1 |
Chongqing | −1.55403 | −0.48207 | −0.25413 | −0.43947 | −1.15697 | −0.36057 | 0.37635 | −0.55298 | 6 |
Shanghai | 0.66525 | 0.43846 | 0.63993 | 0.58166 | 0.09962 | 0.54456 | −0.02742 | 0.420294 | 3 |
Shenzhen | 0.21515 | 0.8742 | 0.48142 | 0.3176 | 0.32084 | 0.78691 | 0.28708 | 0.469029 | 2 |
Tianjin | −0.28355 | −0.29384 | −0.44465 | −0.37893 | −0.17132 | −0.49253 | −0.45434 | −0.35988 | 5 |
Guangzhou | 0.32358 | −0.42262 | −0.73029 | −1.00853 | −0.35445 | −1.02563 | −1.04154 | −0.6085 | 7 |
Wuhan | −0.04404 | −0.45571 | −0.60236 | −0.16056 | 0.92834 | −0.20804 | −0.14828 | −0.09866 | 4 |