Example sentences of "[num] [noun] over a [adj] period " in BNC.

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1 Typically , individual therapy involves 12–20 sessions of 45–60 minutes over a three-month period .
2 Prosecutor Nigel Godsmark said he preyed on 270 women over a three-year period .
3 The District Court jury deliberated for almost 25 hours over a six-day period before arriving at its unanimous decision on charges involving conspiracy , lying to Congress and obstructing congressional inquiries .
4 Instead he became an alcoholic ( a ‘ half-alcoholic ’ he preferred to call it ) who required to dry-out in hospital about 50 times over a 25-year period .
5 The stimulating article Some library costs and options by Brown ( an economist ) concludes ‘ it seems to be worth acquiring and providing storage for , books likely to be wanted more often than , once in about 1.7 years over a long period ’ .
6 The proposed solution , announced in March 1984 , involved halving the 57,000 workforce over a five-year period ( with a 6,000 cut in 1984 ) , the maintaining by the government of the FFr 6.5 billion subsidy for five years and the agreement of E de F to increase coal purchases and employ 1,000 C de F employees per year .
7 The solidarity of the community is strengthened … by a shared history of living and working in one place over a long period of time … .
8 Thus it has been held that there was a course of dealing where the parties contracted three or four times per month for three years ( Kendall v Lillico ) and where there had been 81 transactions over a period of six years ( SIAT di del Ferro v Tradax Overseas SA [ 1978 ] 2 Lloyd 's Rep 470 ) , but not where there had been only three or four contracts over a five-year period ( Hollier v Rambler Motors ( AMC ) Ltd [ 1972 ] 2 QB 71 ; in addition the alleged course of dealing was not consistent ) .
9 The Commission approved on Dec. 17 , 1989 , for the third framework programme , its key technology research and development initiative , a budget of 5,700 million ECU over a five-year period of which one-third was to be for research into information technology .
10 The Brecon Beacons National Park in Wales lost 8,195 hectares of moorland ( to agriculture and forestry ) between 1885 and 1975 , and the northern half of the Snowdonia National Park lost 5,201 hectares over a similar period , though the majority of it was to forestry .
11 In a prospective study of general practice prescribing involving more than 40 000 people over a 2-year period , Skegg et al. ( 1983 ) found that only three in a thousand of those who had received psychotropics went on to take an overdose of the drugs within the following 12 months .
12 ‘ The job required 51,000 man-hours over a 28-week period , ’ he said .
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