a    Including Ascension and Tristan da Cunha.
b    Projected estimate (medium fertility variant).
c    2015.
d    2014.
e    2016.
f    Population aged 15 to 69 years.
g    Data classified according to ISIC Rev. 3.
h    2008.
i    Series linked to former series.
j    Year ending 31 March of the following year.
k    Data refers to a 5-year period preceding the reference year.
l    Estimate.
m    2012.
n    2004.