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 298 56%
2 United States 125 23.5%
3 Germany 46 8.6%
4 Netherlands 28 5.3%
5 Canada 13 2.4%
6 Hong Kong 9 1.7%
7 Australia 3 0.6%
8 Singapore 2 0.4%
9 Taiwan 2 0.4%
10 United Kingdom 1 0.2%
11 Bangladesh 1 0.2%
12 Czech Republic 1 0.2%
13 France 1 0.2%
14 Romania 1 0.2%
15 Saudi Arabia 1 0.2%