The total production of the five companies in 2001 is what per cent of the total production by companies Q and S in 1999?
Production of Company S in 1999 is what per cent of the total production of the company for all the given years? (rounded off to two digits after decimal)
Total production of Company S for all the given years is what per cent of the total production of Company Q for all the given years? (rounded off to the nearest integer)
Approximately, what is the ratio between total production of companies P, Q and R in 2000 and the total production of Companies S, T and U in that year respectively?