a    Projected estimate (medium fertility variant).
b    2015.
c    Refers to the National Capital Region.
d    2016.
e    Data classified according to ISIC Rev. 4.
f    Includes taxes less subsidies on production and imports.
g    Estimate.
h    2014.
i    Break in the time series.
j    Data refers to a 5-year period preceding the reference year.
k    Including refugees.
l    Refers to foreign citizens.
m    Data as at the end of December.
n    The Philippine Statistics Authority implemented a revision in the estimation methodology for local government units (LGU) health expenditures between 2010 and 2011 resulting to a significant decrease in estimated LGU expenditures between the two years.
o    2004.
p    2009.
q    2013.
r    Including nationals residing abroad.