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 United States 41 31.5%
2 China 39 30%
3 Netherlands 20 15.4%
4 Germany 14 10.8%
5 Canada 4 3.1%
6 Hong Kong 3 2.3%
7 Taiwan 3 2.3%
8 Czech Republic 2 1.5%
9 France 1 0.8%
10 Ukraine 1 0.8%
11 United Kingdom 1 0.8%
12 Portugal 1 0.8%