Data not available for owcr on 03/23/2015.
Data available for owcr
198612 198701 198704 198705 198706
198707 198708 198709 198710 198711
198712 198801 198802 198803 198804
198805 198806 198807 198808 198809
198810 198811 198812 198901 198902
198903 198904 198905 198906 198907
198908 198909 198910 198911 198912
199001 199002 199003 199004 199005
199006 199007 199008 199009 199010
199011 199012 199101 199102 199103
199104 199105 199106 199107 199108
199109 199110 199111 199112 199201
199202 199203 199204 199205 199206
199207 199208