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 463 56.2%
2 United States 132 16%
3 Netherlands 98 11.9%
4 Germany 67 8.1%
5 Canada 19 2.3%
6 Hong Kong 10 1.2%
7 Sweden 7 0.8%
8 Russia 6 0.7%
9 France 6 0.7%
10 India 3 0.4%
11 Singapore 3 0.4%
12 Viet Nam 2 0.2%
13 Trinidad and Tobago 2 0.2%
14 Ukraine 2 0.2%
15 Romania 2 0.2%
16 Finland 1 0.1%
17 United Kingdom 1 0.1%