Fig. 1From: National equity of health resource allocation in China: data from 2009 to 2013Theil 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 Theil index changes in the four categories of health resources. X-axis represents the year and Y-axis the Theil index value which was calculated by the formula (1) mentioned above. For details see textBack to article page