Trend 2000 - 2012. China Data Center, University of Michigan. China Yearly Statistics (National/Provincial/City/County): Social Welfare and Insurance | Country: China | All Provinces: Liaoning | Cities: Lingyuan City | GroupCode: 3201010203.b0201 | Labor Metric*: Social Welfare Homes - Period end value, 2000-2012. Data-Planet™ Statistical Ready Reference by Conquest Systems, Inc. Dataset-ID: 035-002-022.