BT 1997 Annual Report Download - page 65

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65
Operational statistics
Call growth YEAR ENDED 31 MARCH
1993 1994 1995 1996 1997
% growth in telephone call volumes over the previous year:
Inland –6767
International (a) 66597
(a) Outgoing, incoming and transit.
Exchange line connections AT 31 MARCH
Business (’000) 5,947 6,129 6,459 6,798 7,160
% growth over previous year 1.5 3.1 5.4 5.2 5.3
Residential (’000) 20,114 20,471 20,613 20,500 20,393
% growth (reduction) over previous year 2.0 1.8 0.7 (0.5) (0.5)
Total exchange line connections (’000) 26,061 26,600 27,072 27,298 27,553
% growth over previous year 1.8 2.1 1.8 0.8 0.9
Network modernisation AT 31 MARCH
% customer lines served by type of telephone exchange:
Digital 64.0 74.9 82.7 87.7 92.6
Semi-electronic 31.9 24.6 17.2 12.3 7.4
Electro-mechanical 4.1 0.5 0.1 – –
Total 100.0 100.0 100.0 100.0 100.0
Optical fibre AT 31 MARCH
Fibre – kilometres in the network (’000) 2,337 2,577 2,782 3,043 3,302
Cellnet (Cellular telephones in the UK) AT 31 MARCH
Analogue (’000) 658 1,019 1,700 2,036 1,573
Digital GSM (’000) – – 34 353 1,125
Total 658 1,019 1,734 2,389 2,698
Payphones AT 31 MARCH
Total public payphones in the UK (’000) 113 124 129 133 136
People employed AT 31 MARCH
Total employees (’000) 170.7 156.0 137.5 130.7 127.5