a    Projected estimate (medium fertility variant).
b    2015.
c    Refers to the metropolitan area of Panama City.
d    2016.
e    Estimate.
f    Urban areas.
g    Index base: 2003=100.
h    Break in the time series.
i    2013.
j    2014.
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    2004.
n    2008.
o    2011.
p    Population aged 10 years and over.