Agriculture corresponds to ISIC divisions 1-5 and includes
forestry, hunting, and fishing, as well as cultivation of crops
and livestock production. Value added is the net output of a
sector after adding up all outputs and subtracting intermediate
inputs. It is calculated without making deductions for
depreciation of fabricated assets or depletion and degradation
of natural resources. The origin of value added is determined by
the International Standard Industrial Classification (ISIC),
revision 3. Note: For VAB countries, gross value added at factor
cost is used as the denominator. World Bank national accounts
data, and OECD National Accounts data files.