Results from processing 22057 letters:
Letter    Occurrences    Percentage
======    ===========    ==========
   A             3430         15.55
   B              284          1.29
   C              487          2.21
   D              817          3.70
   E             1975          8.95
   F              268          1.22
   G              566          2.57
   H             1082          4.91
   I             1692          7.67
   J                1          0.00
   K              244          1.11
   L             1589          7.20
   M              798          3.62
   N             2161          9.80
   O             1073          4.86
   P              162          0.73
   Q               63          0.29
   R             1808          8.20
   S              733          3.32
   T             1290          5.85
   U              755          3.42
   V              196          0.89
   W              312          1.41
   X                4          0.02
   Y              266          1.21
   Z                1          0.00