Footnotes    
a    Including Pitcairn.
b    2017
c    Including American Samoa, Cook Islands, Niue, Pitcairn, Tokelau, Tuvalu, and Wallis and Futuna Islands.
d    2018
e    2016
f    2019
g    Data refers to a 5-year period preceding the reference year.
h    Data are as at 1 January of reporting year.