He said up to now, the number of people who died or were missing in those coals mine accidents stood at 807 down by 35% year-on-year. The death ratio per million metric ton of coal output fell to 0.502 in the first five months in 2011 down 39.2% over the same period last year. According to the administration figures, 2,433 miners were killed in coal mine accidents in China in 2010 compared with 2,631 deaths in 2009.