Example sentences of "by [adv] [num] per [unc] " in BNC.

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1 If everyone had one of these , the crime rate would drop by about fifty per cent . ’
2 While prices were forcast to fall by about 10 per cent on average next year , a slow decline in interest rates over the next 12 months was seen as prompting a resurgence the following spring .
3 In the event , they dropped by about 10 per cent , from £96.4 million to £86.6 million , partly because of a decline in the metals and electronics division .
4 A particular cause for concern is that the concentrations of the two main CFMs is increasing by about 5 per cent per annum while the equivalent figures for methane , nitrous oxide and carbon dioxide are 1 , 0.4 and 0.3 per cent .
5 This is generally recognized as still an upmarket sector but is growing by about 5 per cent per year .
6 Cases of asthma and eczema are also rising by about 5 per cent every year .
7 Bach ( 1978 , 1979 ) studied data on weather and corn yield in the United States Corn Belt states from 1901 to 1972 and estimated that corn production in those states would change by about 11 per cent for every 1 °C change in average maximum temperature over the growing season , and by about 15 per cent for each 10 per cent change in precipitation .
8 However , Soviet trade with the West expanded rapidly in the first half of 1989 , showing a 9 per cent growth in volume , while imports grew by about 11 per cent .
9 During 1991-95 , he said , aid to the region would increase by about 80 per cent compared with the previous five-year period .
10 However , expenditure on social services and education was expected to rise by about 8 per cent .
11 I am pleased that through the good settlement that I was able to give to the Arts Council of Great Britain for the year ahead and , through it , the Welsh Arts Council , the Welsh National Opera 's overall income from the two arts councils will rise by about 7 per cent .
12 On a geographical basis , merchandise trade within the West Pacific region increased by over 30 per cent in 1988 , that between North America and the West Pacific by over 20 per cent , that between Western Europe and the West Pacific and within North America each by about 15-16 per cent , transatlantic trade and trade within Western Europe each by about 14-15 per cent , and other trade flows by about 7 per cent .
13 The peak JAA activities for the CAA are 1990–93 , when SRG 's costs will rise by about two per cent as a result of JAA work .
14 Over the last decade , the upper disposable income limit rose by about 50 per cent , but earnings rose by 135 per cent and prices by 93 per cent .
15 But sales are now rising by about 50 per cent a year as the idea loses its social taboo .
16 The number of people in the capital 's suburbs grew by about 50 per cent during each decade between 1861 and 1891 and by 45 per cent during the last ten years of the century .
17 Longer working hours do not account for the increase , because on the whole the ‘ normal ’ working week was reduced and holidays grew longer The number of married women employed on a part-time basis also grew rapidly The Organization for Economic Cooperation and Development ( OECD , expanded from the OEEC ) has suggested that hours of work decreased by about 0.3 per cent a year during the 1950s , and by 0.8 per cent a year during the 1960s .
18 Gross national product ( GNP ) was expected to grow by about 6 per cent in 1990 but this had to be seen against a similar percentage inflation rate .
19 Winter-to-spring ozone levels in the northern hemisphere declined by about 3 per cent a decade between 1969 and 1989 , but the acceleration in recent years means the total decline since 1969 is now 14 per cent .
20 Savings rates will rise by about 0.75 per cent .
21 According to the Soviet news agency Tass , prices of dairy products would rise by about 25 per cent and bread by as much as 100 per cent .
22 The rise in Japanese interest rates , and narrowing of interest rate differentials vis-a-vis other major currencies did not stem the slide of the yen , which depreciated by about 15 per cent against the US dollar and by 22 per cent against the deutschmark over the same period .
23 The King 's is currently facing losses of up to £200,000 after audience figures fell by about 15 per cent during the last financial year .
24 This last figure represented a fall in the deficit from 7.5 to 6.5 per cent of gross domestic product ( GDP ) ; the proceeds from privatization for the year were forecast at 2.5 per cent of GDP , and as a result of tax reforms direct tax revenues were expected to rise by about 22 per cent over 1990 .
25 Because of increasing mechanization , higher wages , and higher costs , the agricultural work-force diminished by about 60 per cent in the thirty years from 1946 to 1975 , from almost one million to under 400,000 .
26 Monthly car payments declined by about 40 per cent , the OECD notes .
27 But the construction materials side saw operating profits plunge 36 per cent , especially in the UK , and both sales and profits in construction fell by about 40 per cent .
28 The power available from the hydroelectric station will be at least 800 MW , eight hours a day for the first 20 years , thereafter falling by about 30 per cent .
29 It might be helpful to know that it is planned that low flying by jets will decline by about 30 per cent .
30 Increased revenue was expected to come from additional indirect taxes , including sales taxes on fuel , cars , fruit and some beverages ; cars would be taxed at between 50 and 500 per cent , depending on engine capacity , and fuel prices were to rise by about 30 per cent .
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