JavaScript chart by amCharts 3.21.15647.5738.2759.1845.51,0171,1971,5952,0442,3732,7543,00019181935194419561963196919791989200020102015.I.244006008001,0001,2001,4001,6001,8002,0002,2002,4002,6002,8003,0003,200