--- /dev/null
+GET FILE='nhtsa.sav'.
+DATA LIST LIST NOTABLE /x y (F1.0) z (F10.0).
+VARIABLE LEVEL z (SCALE).
+MISSING VALUES x y (9).
+BEGIN DATA.
+1 1 1
+1 2 10
+1 9 100
+2 1 1000
+2 2 10000
+2 9 100000
+9 1 1000000
+9 2 10000000
+9 9 100000000
+END DATA.
+CTABLES /TABLE x > y > z [SUM] /CATEGORIES VARIABLES=y MISSING=INCLUDE.
+CTABLES /TABLE x > y > z [SUM] /CATEGORIES VARIABLES=x y MISSING=INCLUDE.
+