a    Projected estimate (medium fertility variant).
b    2019
c    Refers to Altindag, Cankaya, Etimesgut, Golbasi, Ke├žioren, Mamak, Sincan and Yenimahalle.
d    2020
e    Excludes irrigation canals and landscaping care.
f    Excludes publishing activities.
g    Includes irrigation canals.
h    Excludes repair of personal and household goods.
i    Estimate.
j    Data refers to a 5-year period preceding the reference year.
k    Including refugees.
l    Data as at the end of December.
m    2018
n    2006
o    Data are as at 1 January of reporting year.
p    Users in the last 12 months.
q    Population aged 16 to 74 years.
r    2017
s    Turkish citizens resident abroad are included.