BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 114 56.7%
2 Netherlands 22 10.9%
3 France 19 9.5%
4 United States 19 9.5%
5 Russia 10 5%
6 Germany 7 3.5%
7 United Kingdom 3 1.5%
8 Hong Kong 2 1%
9 Czech Republic 2 1%
10 Singapore 2 1%
11 United Arab Emirates 1 0.5%