a    Projected estimate (medium fertility variant).
b    2019
c    2020
d    Estimate.
e    Calculated by the UN Statistics Division from national indices.
f    Data refers to a 5-year period preceding the reference year.
g    Including refugees.
h    Data as at the end of December.
i    2018
j    2009
k    2012
l    Data are as at 1 January of reporting year.
m    2017
n    Break in the time series.
o    2013
p    Excluding Eritrea.
q    Including nationals residing abroad.
r    Arrivals through all ports of entry.