Different Diagram DI Level 1 Test 2

The production of Company AVC in 2012 is approximately
what per cent of its average production over the given years?

For SIO, which year was the per cent increase or
decrease in production from the previous year the
highest?

Which company has less average production in the last
three years compared to that of first three years?

The total production of the six companies in the first two
given years is what per cent of that of last two given
years? (round off up to two decimal places)

For ZIR, which of the following is the difference between
production in 2013 and that in 2014?