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 189 53.7%
2 United States 86 24.4%
3 Germany 42 11.9%
4 Canada 16 4.5%
5 Mexico 4 1.1%
6 Netherlands 3 0.9%
7 Hong Kong 3 0.9%
8 United Kingdom 3 0.9%
9 Mauritius 2 0.6%
10 Russia 2 0.6%
11 Singapore 1 0.3%
12 Taiwan 1 0.3%