NOMBRE DE DOCUMENTS PAR INITIALE
A = 2238
B = 3583
C = 4105
D = 952
E = 1042
F = 1292
G = 1328
H = 993
I = 273
J = 313
K = 174
L = 4434
M = 3356
N = 898
O = 590
P = 1956
Q = 154
R = 1485
S = 5534
T = 1155
U = 158
V = 2215
W = 425
X = 12
Y = 60
Z = 46
TOTAL = 38771