Evolution of the Efficiency of Nationwide Commercial Banks in China Based on an SBM-Undesirable Model and DEA Window Analysis

Table 5

Efficiency of state-owned banks and joint stock banks.

Bank	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	Mean
State-owned	0.901	0.785	0.826	0.848	0.800	0.765	0.738	0.721	0.743	0.687	0.781
Joint stock	0.888	0.743	0.749	0.803	0.813	0.816	0.861	0.857	0.872	0.848	0.825
Mean	0.895	0.764	0.788	0.825	0.806	0.790	0.799	0.789	0.807	0.767	0.803