In terms of GDP, the share of the secondary sector in 2003 was about ________ per cent.
The secondary sector covers activities in which natural products are changed into other forms through ways of manufacturing that we associate with industrial activity.
For example, using cotton fibre from the plant, we spin yarn and weave cloth. Using sugarcane as a raw material, we make sugar or gur.
Gross domestic product of secondary sector in 2003 was 20%