Table 2.

Efficiency and productivity change in three years-period (200-8-2010)

Productivity status	Total productivity change	Scale efficiency change	Managerial efficiency change	Technological efficiency change	Technical efficiency change	Year*
Non-productive	1.226	1.007	0.963	1.265	0.969	2008
productive	0.972	0.980	1.071	0.926	1.049	2009
productive	0.901	1.038	0.937	0.926	0.972	2010
Non-productive	1.024	1.008	0.989	1.028	0.996	Total Mean

*In this study, the 2007 year is basic year for assessment other years (so has not been showed in table)