What does the ratio of industrial added value to gdp represent?

The importance of large industrial enterprises in economy. GDP is an index to measure the economic situation of a country or region, and the proportion of industrial added value to GDP represents the importance of large industrial enterprises in the economy. Because GDP uses market prices to evaluate goods and services, it does not include the value of almost all activities outside the market. In particular, GDP ignores the value of domestically produced goods and services.