In 2003, it is located at 0.479. In 2008 the numbers crept up to the highest point is 0.491 then gradually decreased every year by 2012, a reduction from the year 2013 is at 0.474 0.473 and 2014 are at 0.469.
In the year 2003, the figure stood at 0.479 in 2008, rising to a peak of 0.491 is then gradually reduced every year by 2012, has dropped to .474 in 2013 and .473 in 2014 to .469.
In 2003 such values in 0.479 in 2008 numbers rise to the peak is 0.491 then gradually decrease every year by year 2012 has fallen in 0.474 years 2013 in 0.473 and years 2014 in 0.469.