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        | Download Data Files — Codebook |  
 
        
          | 
          
            | MEPS HC-144G CODEBOOK |  
            | 2011 OFFICE-BASED MEDICAL PROVIDER VISITS |  
            | DATE:     June 11, 2013 |  
 
          
            | Variable Name: | OBDATEYR |  
            | Description: | EVENT DATE - YEAR |  
            | Format: | 4.0 |  
            | Type: | NUM |  
            | Start: | 46 |  
            | End: | 49 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |            170 |      1,456,680 |  
            | -8 DK |              4 |         73,861 |  
            | 2011 |        134,137 |  1,586,399,254 |  
            | TOTAL |        134,311 |  1,587,929,795 |  
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