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 China 33 28%
2 United States 27 22.9%
3 Netherlands 22 18.6%
4 Germany 10 8.5%
5 United Kingdom 7 5.9%
6 Taiwan 6 5.1%
7 France 5 4.2%
8 Hong Kong 3 2.5%
9 Czech Republic 3 2.5%
10 Romania 1 0.8%
11 Russia 1 0.8%