Data not available for orov on 01/22/2015.
Data available for orov
199506 199507 199508 199509 199510
199606 199607 199608 199609 199610
199611 199612 199701 199705 199706
199707 199708 199709 199710 199805
199806 199807 199808 199809 199810
199906 199907 199908 199909 199910
199911 200006 200007 200008 200009
200010 200011 200012 200105 200106
200107 200108 200109 200110 200111
200206 200207 200208 200209 200210
200211 200306 200307 200308 200309
200310 200311 200510 200511