a    Projected estimate (medium fertility variant).
b    2015
c    Refers to Ottawa-Gatineau, the Census Metropolitan Area.
d    2017
e    2016
f    Data classified according to ISIC Rev. 4.
g    Estimate.
h    Calculated by the Statistics Division of the United Nations from national indices.
i    Data classified according to ISIC Rev. 3.
j    2011
k    Imports FOB.
l    Data refers to a 5-year period preceding the reference year.
m    Data as at the end of December.
n    2004
o    Population aged 16 years and over.
p    Break in the time series.
q    2014
r    Development Assistance Committee member (OECD).
s    Provisional data.