Created with Highcharts 4.0.0Country distribution (top 10)China: 56.95 %United States: 31.79 %North America: 4.64 %Saudi Arabia: 2.65 %United Kingdom: 1.32 %Czech Repoublic: 0.66 %Switzerland: 0.66 %Portugal: 0.66 %Russia: 0.66 %