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 66 46.8%
2 United States 38 27%
3 Germany 13 9.2%
4 Canada 7 5%
5 Hong Kong 3 2.1%
6 Japan 3 2.1%
7 Czech Republic 2 1.4%
8 Taiwan 2 1.4%
9 Ukraine 1 0.7%
10 United Kingdom 1 0.7%
11 France 1 0.7%
12 Korea, Republic of 1 0.7%
13 Portugal 1 0.7%
14 Singapore 1 0.7%
15 Sweden 1 0.7%