BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 Netherlands 38 32.8%
2 United States 28 24.1%
3 China 14 12.1%
4 Germany 14 12.1%
5 France 9 7.8%
6 United Kingdom 5 4.3%
7 Czech Republic 4 3.4%
8 Hong Kong 3 2.6%
9 Russia 1 0.9%