The detail looks a bit better, even though total domestic demand is growing at a slightly slower rate.
Generally we expect a firm's sales to increase the stronger the total demand for the industry's product as a whole.
Suppose that to start with the total demand for the firm's product is 1, 000 units.
The total demand for water has increased by 70% over the last 30 years.
It was the Communist world that kept total demand up - its consumption rose by 40%.
It does not increase total demand for cars over the medium term.
This is due to factors such as the number of new graduates and the total demand for nurses in each area.
This brings the world's current total demand to 76.4m barrels a day.
"But clearly the demography will be a factor in terms of total demand."
But it was not enough to meet the airport's total demands.