[Retracted] Analysis of the Influence of Library Information on the Utilization of Regional Environmental and Ecological Resources: From the Perspective of Intelligent Adaptive Learning

Table 9

Efficiency value results calculated by SE-SBM model.

Particular year	Comprehensive technical efficiency (CRS)	Pure technical efficiency (VRS)	Scale efficiency (SE)	Return to scale (RTS)
1999	1 .116	1.122	0.995	Increment (+)
2000	1.082	1.126	0.961	Increment (+)
2001	0.632	1.001	0.632	Increment (+)
2002	0.692	0. 785	0.881	Increment (+)
2003	1.116	1 .124	0.992	Decrement (-)
2004	0.655	0.73	0.896	Increment (+)
2005	0.644	0.718	0.897	Increment (+)
2006	0.568	0. 617	0.922	Increment (+)
2007	0. 375	0. 395	0.95	Increment (+)
2008	0. 668	0. 673	0.992	Increment (+)
2009	0. 299	0.335	0. 892	Increment (+)
2010	0. 285	0.297	0. 960	Increment (+)
2011	0. 339	0. 346	0. 977	Decrement (-)
2012	1 .228	1 .265	0.971	Decrement (-)
2013	0. 314	0. 402	0.781	Decrement (-)
2014	0. 328	0. 427	0.768	Decrement (-)
2015	0.334	0.433	0.771	Decrement (-)
2016	0.36	1.162	0.31	Increment (+)
2017	1.482	1.497	0.99	Increment (+)
2018	1.01	1.035	0.976	Increment (+)