Page 499 - Cục Thống kê tỉnh Hòa Bình

q : Quantity produced of item n in the reference period;
n1
q : Quantity produced of item n in the base period.
n0

- Step 2: Calculating production index of VSIC 4-digit classes

The production index at 4-digit class of VSIC industry is the
weighted average index of indexes of items representing for such
VSIC 4-digit classes.

Formula:

i  W qn
 qn
I qN 4 
 W qn

Where:

I qN4 : Production index for the N-th class of the VSIC 4-digit class;

I : Production index for the n-th item in the VSIC 4-digit class;
qn
W : Weight of the item n. Weight of item is the value at basic
qn
price of the item in the base year 2010.

- Step 3: Calculating production index of VSIC 2-digit
divisions

The production index at 2-digit division of VSIC industry is the
weighted average index of the production indices of VSIC 4-digit

classes under the VSIC 2-digit divisions.

Formula:

I
I qN 2   qN 4 W  W qN 4

qN
4
Where:

I qN2 : Production index of the VSIC 2-digit divisions;

I qN4 : Production index of the VSIC 4-digit classes;

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