Example sentences of "estimated to [be] [adv] [num] [noun] " in BNC.

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1 There are estimated to be about 6,000 Shar Peis in the world now .
2 There are now estimated to be about 760,000 minke whales in the Antarctic , up from less than 200,000 in the early 1970s , and some supporters of whaling argue that the increase in minke numbers is putting pressure on food stocks and hampering the recovery of more seriously endangered whale species .
3 Proven natural gas reserves ( of which 40 per cent are in the USSR ) are estimated to be about 82 x 10 12 cubic metres ( equivalent in energy to about 740 x 10 9 tonnes of oil ) .
4 The upper critical field was estimated to be about 800,000 times stronger than the earth 's magnetic field , advantageous for applications of the superconductor .
5 The rate of eustatic change producible by this process has been estimated to be about three orders of magnitude slower than that produced by the climatically induced fluctuations of the Pleistocene ( Pitman , 1978 ) .
6 The median years for return to work for the next cohort , who had their first birth between 1975 and 1979 , is estimated to be only 3.7 years .
7 Discovered in 1855 , there are estimated to be only 1,000 specimens left in the wild .
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