Datagov Opendata Platform

1. The domestic linkage index is the number of units that need to be purchased directly or indirectly from various departments when one unit of a department's product is finally needed, and only includes domestically produced goods, i.e., only considers the impact of domestic products.2. Purpose of collection: To demonstrate the industry structure and the interdependence between industry sectors.3. Data collection method: Mainly based on the industrial and commercial census conducted every five years and various related statistical data.