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 487 75.4%
2 United States 82 12.7%
3 Germany 38 5.9%
4 Hong Kong 11 1.7%
5 Netherlands 6 0.9%
6 Canada 5 0.8%
7 Australia 3 0.5%
8 Finland 2 0.3%
9 France 2 0.3%
10 Macao 2 0.3%
11 Russia 2 0.3%
12 Singapore 2 0.3%
13 Taiwan 1 0.2%
14 Ukraine 1 0.2%
15 United Kingdom 1 0.2%
16 Moldova, Republic of 1 0.2%