NOMBRE DE DOCUMENTS PAR INITIALE
A = 2226
B = 3575
C = 4095
D = 950
E = 1040
F = 1291
G = 1327
H = 989
I = 273
J = 313
K = 174
L = 4421
M = 3342
N = 896
O = 587
P = 1953
Q = 154
R = 1481
S = 5519
T = 1153
U = 158
V = 2209
W = 425
X = 12
Y = 58
Z = 46
TOTAL = 38667