[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 5

Input and output data of Public Libraries under the jurisdiction of a city.

Particular year	Input index				Output indicators
	Number of books collected (book)	Public area of the house (m2)	Expenditure (yuan)	Number of employees (number)	Total circulation person time (person time)	Book lending times (book times)
1999	3270000	58602	5146000	324	744000	799000
2000	3320000	40631	6818000	316	877000	723000
2001	3461000	55922	7940000	304	673000	770000
2002	3415000	55942	10820000	306	879000	906000
2003	3439000	66482	11760000	295	1253000	1242000
2004	3499000	56303	13250000	294	960000	931000
2005	3650400	55556	14905000	290	964000	1057000
2006	3770600	55195	18926000	286	1034200	1085500
2007	3904700	54592	25256000	279	1117100	819400
2008	4059000	55051	24826000	279	1453500	1171600
2009	4244000	57891	30806000	288	1078200	936700
2010	4396200	57891	34412000	287	1097200	950300
2011	4170600	55662	38361000	289	1506300	950500
2012	4656900	58025	44593000	305	2836600	1204300
2013	4937400	58558	54059000	298	1754400	1132300
2014	5069400	59558	67764000	290	1850700	1215700
2015	5228400	59558	97343000	289	1869400	1358300
2016	1689700	34096	31927000	142	773920	731380
2017	2134500	43274	36152000	132	1244900	3493800
2018	2240600	43412	33889300	137	1333600	1280500