The national average in 2003, the last year for which data have been compiled, was 6.9.
The rate was 18percentt in 2001, the most recent for which data are available.
In 2007, the latest year for which data is available, it was 40percentt.
In 1995, the last year for which data is available, it was 9.7percentt.
The grey shading indicates the number of sites for which data is available for each year the lighter the grey the more sites for which data is available.
The index is calculated along all national borders for which data are available.
In 2003, the last year for which data are available, revenues totaled $280 million.
Nationally in 1996, the last year for which data are available, the rate was 7.2 deaths.
Only 72% of children finished primary school in 2009, the latest year for which data is available.
In 2002, the last year for which data were analyzed, there was a slight uptick, to 795.
Global greenhouse gas emissions for 2010, the latest year for which data is available, stood at 50.1 gigatonnes.
