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 United States 73 36.7%
2 China 57 28.6%
3 Germany 30 15.1%
4 Netherlands 13 6.5%
5 Hong Kong 6 3%
6 6 3%
7 France 6 3%
8 Canada 4 2%
9 Russia 2 1%
10 Mauritius 1 0.5%
11 Czech Republic 1 0.5%