Example sentences of "which have account for " in BNC.

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1 It may be afraid to annoy foreign network-operators with new local services and so jeopardise the chances of selling them equipment , which has accounted for much of AT&T 's recent growth .
2 Procedures can only be used effectively and efficiently in the context of a team structure which has accounted for the systematic management of top priorities and emergencies .
3 The investment weightings of the portfolio have continued to show an overwhelming bias towards publishing , which has accounted for 75% or over of the whole portfolio since June 1991 .
4 Nevertheless , it is the growth of white-collar employment which has accounted for most of the expansion of the upper middle class .
5 Even more important , the emperor 's participation , which had accounted for the selection of many eleventh-century popes ( and anti-popes ) had been totally rejected by 1179 .
6 Trading links have survived right-wing military coups in Argentina ( 1976 ) , Brazil ( 1964 ) , Uruguay ( 1973 ) and Bolivia ( 1971 , 1978 , 1979 , 1980 ) , countries which have accounted for the bulk of Soviet trade with Latin America over the past two decades .
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