series_id	year	period	value	footnote_codes
MUSR0000SA0E     	1957	M03	        21.5	
MUSR0000SA0E     	1957	M04	        21.6	
MUSR0000SA0E     	1957	M05	        21.6	
MUSR0000SA0L12   	1967	M03	        35.4	
MUSR0000SA0L12   	1967	M04	        35.5	
MUSR0000SA0L12   	1967	M05	        35.6	
MUSR0000SA0L12E4 	1967	M01	        38.9	
MUSR0000SA0L12E4 	1967	M02	        39.0	
MUSR0000SA0L12E4 	1967	M03	        39.1	
MUSR0000SA0L12E4 	1967	M04	        39.2	
MUSR0000SA0L12E4 	1967	M05	        39.3	
MUSR0000SA0L2    	1947	M01	        23.2	
MUSR0000SA0L2    	1947	M02	        23.3	
MUSR0000SA0L2    	1947	M03	        23.8	
MUSR0000SA0L2    	1947	M04	        23.8	
MUSR0000SA0L2    	1947	M05	        23.7