a    Projected estimate (medium fertility variant).
b    2015.
c    Refers to the total population in seventy-six municipalities of the Metropolitan Area of Mexico City.
d    2016.
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    2014.
h    Including construction.
i    Trade data include maquiladoras and exclude goods from customs-bonded warehouses. Total exports include revaluation and exports of silver.
j    Imports FOB.
k    Data refers to a 5-year period preceding the reference year.
l    Including refugees.
m    Data as at the end of December.
n    2000.
o    2013.
p    Provisional data.
q    December.
r    Break in the time series.
s    Population aged 6 years and over.
t    2004.
u    Including nationals residing abroad.