Data not available for sm21 on 11/17/2012.
Data available for sm21
201104 201106 201107 201108 201109
201110 201112 201202 201203 201204
201208 201209 201210 201212 201302
201303 201304 201305 201307 201308
201309 201310 201405 201408 201410
201411