Example sentences of "[prep] a [noun sg] of [n mass] over " in BNC.
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1 | It is paid free of tax up to a maximum of £8000 over the full period of the allowance ( see Appendix 1 ) . |
2 | Deposits can be made by regular savings or by lump sum deposits subject to a maximum of £9,000 over the five year period but you may not deposit more than £3,000 in the first year or £1,800 in any succeeding year . |
3 | A shortage of zinc caused by supply disruptions and , some say , manipulation of the market forced the cash price of zinc to more than $1,400 a tonne , and to a premium of $240 over the forward price on the London Metal Exchange last week . |
4 | It already pays all claims of more than £220 in Northern Ireland — at a cost of £680m over the past 23 years . |
5 | The five firm concentration ratio has varied around an average of 41% over this period , rising to a peak of 53% in 1978 before falling to 34% in 1980 , rising to 47% in 1983 before declining to 30% in 1990 . |