data tonsil;
  input rater1 $ rater2 $ count;
  cards;
+    +    25
+    ++    2
+    +++   0
++   +     4
++   ++   15
++   +++   3
+++  +     1
+++  ++    2
+++  +++  10
;

proc freq order=data;
 weight count; 
 tables rater1*rater2 ;
run;