Created with Highcharts 4.0.0Country distribution (top 10)China: 77.20 %United States: 18.00 %North America: 1.60 %Saudi Arabia: 0.80 %Czech Repoublic: 0.80 %Europe: 0.40 %Japan: 0.40 %United Kingdom: 0.40 %Russia: 0.40 %