a    2017
b    Refers to the metropolitan area of Panama City.
c    2018
d    Estimate.
e    Urban areas.
f    2016
g    Areas not elsewhere specified.
h    Data refers to a 5-year period preceding the reference year.
i    2015
j    Data as at the end of December.
k    2004
l    2008
m    2011
n    Multipliers were applied to residential and commercial subscriptions, taking into account the average size of households and employees per business.
o    2013
p    2014