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 318 56.1%
2 United States 127 22.4%
3 Germany 49 8.6%
4 Netherlands 21 3.7%
5 Canada 14 2.5%
6 Sweden 14 2.5%
7 Hong Kong 9 1.6%
8 France 5 0.9%
9 Taiwan 4 0.7%
10 Belize 2 0.4%
11 Czech Republic 1 0.2%
12 Denmark 1 0.2%
13 India 1 0.2%
14 Singapore 1 0.2%