年份 | 东南亚 | 中亚 | 南亚 | 东亚 | 西亚北非 | 东欧 |
2009年 | 38.41% | 6.02% | 15.11% | 0.38% | 22.81% | 17.27% |
2010年 | 37.99% | 4.55% | 15.82% | 0.39% | 21.84% | 19.50% |
2011年 | 37.67% | 4.12% | 15.77% | 0.61% | 22.58% | 19.25% |
2012年 | 40.86% | 4.26% | 14.08% | 0.53% | 22.04% | 18.23% |
2013年 | 42.97% | 4.09% | 13.23% | 0.43% | 21.88% | 17.40% |
2014年 | 42.79% | 3.78% | 13.48% | 0.37% | 23.29% | 16.29% |
2015年 | 45.25% | 2.87% | 15.35% | 0.26% | 23.03% | 13.24% |
2016年 | 44.12% | 3.09% | 16.46% | 0.17% | 21.27% | 14.89% |
2017年 | 44.09% | 3.36% | 16.89% | 0.19% | 19.95% | 15.52% |
2018年 | 45.48% | 3.19% | 16.68% | 0.24% | 18.03% | 16.38% |