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 232 59.6%
2 United States 65 16.7%
3 Germany 37 9.5%
4 Canada 15 3.9%
5 Netherlands 14 3.6%
6 Taiwan 9 2.3%
7 Sweden 4 1%
8 Brazil 3 0.8%
9 France 2 0.5%
10 Hong Kong 2 0.5%
11 Seychelles 2 0.5%
12 Singapore 2 0.5%
13 Moldova, Republic of 1 0.3%
14 Russia 1 0.3%