Fig. 2From: National equity of health resource allocation in China: data from 2009 to 2013Contribution rate for Theil index of health resource allocation from 2009 to 2013 a, b, c and d represents the four kinds of health resources. The figure shows the contribution rate in the four categories of health resources which including the intra-regional part and the inter-regional part. The intra-regional part was divided into three regions which were mentioned in the text. X-axis represents the year and Y-axis the contribution rate for Theil index which was calculated by the formula (2), (3) and (4). For details see textBack to article page