Example sentences of "[vb -s] [adv] a [adj] proportion of " in BNC.

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1 In Burkina Faso , for example , observations between 1955 and 1974 have shown that degraded land and active sand have increased from 181 to 390 ha and from 56 to 150 ha respectively in the Menegon-Bidi area , which represents only a small proportion of the total 3000 ha of lost arable land in the Burkina Sahel and which is equivalent to the loss of 800 t of millet or 4500 t of straw ( Mainguet 1986 ) .
2 This represents only a small proportion of the structure .
3 D. Although jobs in light industry are increasing , with a few in each town , the region still has only a small proportion of its workers in manufacturing .
4 Trade unions play a part within these associations but , since their function is nearly entirely within the formal sector — which employs only a small proportion of the population — they play a relatively minor role .
5 The airport already takes up a significant proportion of the island 's land area , and lengthening the runway will be difficult and expensive for the fragile economy .
6 Latvia locks up a high proportion of its population of 2.6 million people .
7 Many of these enterprises are controlled by external corporations or by a landed élite that comprises only a small proportion of the population , and while they are responsible for a great deal of environmental degradation they provide little benefit to the majority of the indigenous people .
8 Local authorities are obliged under the 1981 Education Act to provide tuition for special educational needs , yet the institute believes only a small proportion of dyslexics receive adequate help in state schools .
9 But the classic viticultural region occupies only a small proportion of the old historical province which was , by and large , open and flat .
10 When you pay interest on a mortgage , the amount payable on the first £30,000 is eligible for tax relief , although as the interest makes up a smaller proportion of your payments , the tax relief also lessens .
11 Sequential processing of data files makes up a large proportion of data processing .
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