--- /dev/null
+GET FILE='nhtsa.sav'.
+CTABLES
+ /PCOMPUTE &all_drivers=EXPR([1 THRU 2] + [3 THRU 4])
+ /PPROPERTIES &all_drivers LABEL='All Drivers'
+ /PCOMPUTE &pct_never=EXPR([5] / ([1 THRU 2] + [3 THRU 4] + [5]) * 100)
+ /PPROPERTIES &pct_never LABEL='% Not Drivers' FORMAT=COUNT PCT40.1
+ /TABLE=qn1 BY qns3a
+ /CATEGORIES VARIABLES=qn1 [1 THRU 2, SUBTOTAL='Frequent Drivers',
+ 3 THRU 4, SUBTOTAL='Infrequent Drivers',
+ &all_drivers, 5, &pct_never,
+ MISSING, SUBTOTAL='Not Drivers or Missing'].