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 64 50.4%
2 United States 29 22.8%
3 Netherlands 13 10.2%
4 Germany 7 5.5%
5 Hong Kong 4 3.1%
6 Taiwan 4 3.1%
7 Russia 2 1.6%
8 Canada 1 0.8%
9 Portugal 1 0.8%
10 Czech Republic 1 0.8%
11 United Kingdom 1 0.8%