NOMBRE DE DOCUMENTS PAR INITIALE
A = 2243
B = 3589
C = 4108
D = 957
E = 1042
F = 1292
G = 1330
H = 993
I = 273
J = 314
K = 174
L = 4439
M = 3360
N = 899
O = 590
P = 1956
Q = 154
R = 1486
S = 5540
T = 1155
U = 158
V = 2221
W = 425
X = 12
Y = 60
Z = 46
TOTAL = 38816