a    Projected estimate (medium fertility variant).
b    2015.
c    Refers to the localities of Calith´a, Perist´rion and Piraeus, among others.
d    2016.
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    Series linked to former series.
h    2014.
i    Data refers to a 5-year period preceding the reference year.
j    Data as at the end of December.
k    Four companies compete on the local market. The latest company entered the market at the 4 quarter of 2014. Data on the new entrant concern the 9th month of 2015.
l    Population aged 16 to 74 years.
m    2004.
n    Development Assistance Committee member (OECD)
o    Provisional data.