a    2017
b    2019
c    2018
d    Estimate.
e    Calculated by the UN Statistics Division from national indices.
f    2016
g    Data refers to a 5-year period preceding the reference year.
h    Data as at the end of December.
i    2008
j    Data are as at 1 January of reporting year.
k    Population aged 14 years and over.
l    Arrivals of non-resident tourists by air.
m    Including nationals residing abroad; E/D cards.