第二级生产行业包括制造业、建造业和水电煤气供应。其中制造业在本地生产总值中所占比率在过去20年显着下降，由一九八零年的24%下跌至一九九零年的18%，一九九八年更进一步跌至6%。

• Over the years, the tertiary services sector has witnessed significant growth in terms of contribution to GDP.Within secondary production (comprising manufacturing; construction; and supply of electricity, gas and water), the contribution of the manufacturing sector to GDP fell significantly over the past two decades, from 24 per cent in 1980 to 18 per cent in 1990, and further to only 6 per cent in 1998.