Explanation of the variables:
Countries	 (name of country)
BIS_1 (answers for item 1)
BIS_2 (answers for item 2)	
BIS_3 (answers for item 3)	
BIS_4 (answers for item 4)	
BIS_5 (answers for item 5)	
BIS_6 (answers for item 6)	
BIS_7 (answers for item 7)	
BIS_8 (answers for item 8)	
BIS_9 (answers for item 9)	
BIS_10 (answers for item 10)	
BIS_11 (answers for item 11)	
BIS_12 (answers for item 12)	
BIS_13 (answers for item 13)	
BIS_14 (answers for item 14)	
BIS_15 (answers for item 15)	
Sex (gender name)	 
age