That figure is expected to grow almost fourfold by 2005.
Those emissions have also risen almost fourfold since 1990.
Attacks on Muslims increased almost fourfold in the wake of the murder in Woolwich, south-east London, of Drummer Rigby.
The number of reports of serious self-harm at Harmondsworth have increased almost fourfold since 2012, according to figures obtained by Channel 4 News.
The world's population has risen almost fourfold in these 100 years, but more people than ever before in history have been slaughtered, starved and driven into exile.
In 2015, 5,633 Nigerian women and girls arrived in Italy, an almost fourfold increase on the number that arrived in 2014.
After Stalin's death in 1953, farm prices were increased significantly; the average procurement prices for food products increased almost fourfold between 1950 and 1956.
The period of Republican dominance has coincided with a huge explosion in lobbying: since 1994 the number of registered lobbyists has risen almost fourfold, to 36,000.
With one curving, granite-clad stroke, the Museum of Jewish Heritage -- A Living Memorial to the Holocaust has enlarged by almost fourfold its home on the Hudson River waterfront at Battery Park City.
During the last year, the number of refugees here at Mayukwayukwa, established almost 35 years ago and the oldest of Zambia's refugee settlements, has increased almost fourfold, to 15,000.
Marvel Enterprises Inc., publisher of the "Spider-Man" and "X-Men" comics, said earnings for the second quarter rose almost fourfold as "The Hulk" and other new movies increased sales.
