Page 507 - niengiam2021

WqN1: Weight of the VSIC 1-digit sectors. Weight of VSIC 1-

digit sectors is the value added at current price in 2010.

The index of industrial shipment of manufacturing is the
index comparing the rate of industrial shipment between reference
time and base time.

The base time of the index of industrial shipment of
manufacturing are the average month of base year, the previous period
and the same period of last year.

The index of industrial shipment of manufacturing reflects the
situation of changing in industrial shipment (increase, decrease) of
each commodity, groups of commodities, each industrial activity or in
general.

The index of industrial shipment of manufacturing is calculated
for only enterprise sector, not individual sector.

Calculation

The process of calculation is done in 4 steps:

- Step 1: Calculating shipment index of each commodity

Formula:

T
i tn  1 n  100
T n 0

itn: Shipment index of commodity n.

Tn1: Quantity of commodity n consumed at reference time.

Tn0: Quantity of commodity n consumed at base time.

- Step 2: Calculating shipment index of VSIC 4-digit industries

Formula:

i
I tN 4   tn d tn
d
 tn

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