a    Projected estimate (medium fertility variant).
b    2015.
c    De jure population.
d    2008.
e    2014.
f    2016.
g    At producers' prices.
h    Data classified according to ISIC Rev. 4.
i    Population aged 17 years and over.
j    2000.
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    Estimates should be viewed with caution as these are derived from scarce data.
n    2004.
o    2006.
p    Estimate.
q    Partial data.