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 230 58.7%
2 United States 73 18.6%
3 Germany 31 7.9%
4 Canada 19 4.8%
5 Hong Kong 11 2.8%
6 Taiwan 7 1.8%
7 South Africa 4 1%
8 United Kingdom 4 1%
9 Finland 4 1%
10 Singapore 2 0.5%
11 Korea, Republic of 2 0.5%
12 Macao 2 0.5%
13 Netherlands 1 0.3%
14 India 1 0.3%
15 Ukraine 1 0.3%