a    Projected estimate (medium fertility variant).
b    2015.
c    2016.
d    Estimate.
e    Break in the time series.
f    Series linked to former series.
g    2014.
h    Areas not elsewhere specified.
i    Data refers to a 5-year period preceding the reference year.
j    Including refugees.
k    Refers to foreign citizens.
l    Data as at the end of December.
m    Estimates should be viewed with caution as these are derived from scarce data.
n    The estimates do not include expenditures for Northern Iraq.
o    2004.
p    2007.
q    Data refer to Central Iraq.
r    2000.
s    Excluding business enterprise.
t    R&D budget instead of R&D expenditure or based on R&D budget.
u    Excluding private non-profit.
v    2013.