The data displays the revenue generated by their primary businesses of British Telecommunications (BT) from the first quarter of 2012/13 to the fourth quarter of 2017/18. With respect to BT's 2017/2018 financial year, all of the revenues generated by the primary businesses increased comparing the first quarter to the fourth quarter. The highest increase in revenues was generated by BT's global services. However ,these revenues decreased from 1,250 million GBP in Q1 2016/17 to 1,241 million GBP in Q4 2017/2018, a decrease of 9 million GBP.
