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 560 65.8%
2 United States 161 18.9%
3 Germany 37 4.3%
4 Canada 30 3.5%
5 Netherlands 28 3.3%
6 Hong Kong 14 1.6%
7 Taiwan 5 0.6%
8 Singapore 3 0.4%
9 Ireland 2 0.2%
10 Japan 2 0.2%
11 Korea, Republic of 2 0.2%
12 Liberia 2 0.2%
13 Ukraine 2 0.2%
14 United Kingdom 1 0.1%
15 Sweden 1 0.1%
16 Austria 1 0.1%