The best way to do this is to record energy used per item produced.

The average cost per item was 31% more for men than women (£7.07 compared with £5.38).

The average cost per item for the total population was £6.03.

In 1991 the charge was 3.40 per item on a prescription.

Star: 500 points per item collected in the area using current life.

The charge is £5.50 per item for 24 hours, up to a maximum of 90 days.

Some policies will only pay a maximum of £1,000 per item, which is not always enough, she said.

The charge will be $5 per item, $10 for three items.

He also found that parents are spending less per item.

The limit at 1 April 1991 is £20 per item.