a    Projected estimate (medium fertility variant).
b    2015
c    2017
d    2016
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    2014
h    Data refers to a 5-year period preceding the reference year.
i    Data as at the end of December.
j    Population aged 16 to 74 years.
k    2004
l    Only paid accommodation; excluding stays at friends and relatives and second homes.
m    Development Assistance Committee member (OECD).
n    Provisional data.