The data displays the British Telecommunications (BT) business call volumes in the UK from 2009 to 2017. The BT business call volumes decreased from around 14.9 billion minutes in 2009 to approx. 6.7 billion minutes in 2017.
2009 | 14883 |
2010 | 13531 |
2011 | 12182 |
2012 | 11354 |
2013 | 10383 |
2014 | 9226 |
2015 | 8504 |
2016 | 7663 |
2017 | 6690 |