a    2017
b    Refers to the settlement of Zagreb.
c    2018
d    Data classified according to ISIC Rev. 4.
e    Estimate.
f    2016
g    Excluding water and waste management.
h    2014
i    Data refers to a 5-year period preceding the reference year.
j    2015
k    Including refugees.
l    Data as at the end of December.
m    2004
n    2013
o    Population aged 16 to 74 years.
p    Users in the last 3 months.
q    Break in the time series.
r    Excluding arrivals in ports of nautical tourism.