There is a code for the WW and CE machines that display the player stats.  On the 2 player controller, key in, up, up, down, down, left, right, left, right, strong, jab, when the computer is doing the demo and the demo players are actually fighting.  You will see:

OR Numbers in this form:

AAAA    BBBB    CCCC     DDDD

EEE FFF GGG HHH III JJJ KKK LLL MMM NNN OOO PPP

where,

A = ?
B = # of coins in left side
C = ?
D = # coins for the right

The rest are the number of times the player has been used:

E = Ryu
F = E. Honda
G = Blanka
H = Guile
I = Ken
J = Chun Li
K = Zangief
L = Dhalsim
M = M. Bison (USA)
N = Sagat
O  = Balrog (USA)
P = Vega (USA)