In the 3 months to July 2017, the Index of Production was estimated to have increased by 0.3% compared with the 3 months to April 2017, due mainly to a rise of 2.2% in mining and quarrying.
The largest contribution to the rise in mining and quarrying in the 3 months to July 2017 came from oil and gas extraction, which rose by 2.6%, due mainly to a lack of maintenance, which has historically taken place in the month of June, although in some previous years this maintenance has occurred later in the summer.
In July 2017, total production was estimated to have increased by 0.2% compared with June 2017, due mainly to a rise of 0.5% in manufacturing; the largest contribution to the rise came from transport equipment, which rose by 7.6%.