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 228 58.9%
2 United States 61 15.8%
3 Germany 37 9.6%
4 Netherlands 22 5.7%
5 Canada 14 3.6%
6 Ukraine 7 1.8%
7 Hong Kong 5 1.3%
8 Russia 4 1%
9 Ireland 3 0.8%
10 United Kingdom 2 0.5%
11 Belgium 2 0.5%
12 Singapore 1 0.3%
13 India 1 0.3%