Zhong guo lao dong tong ji nian jian = Zhong guo lao dong tong ji nian jian/ Zhong guo hai yang tong ji nian jian = Zhong guo lao dong tong ji nian jian/. 1991. Zhong guo hai yang tong ji nian jian/ Zhong guo min zheng tong ji nian jian : Zhong guo gong ye tong ji nian jian = Zhong guo nong cun tong ji nian jian = Zhong guo she hui tong ji nian jian = Zhong guo neng yuan tong ji nian jian =