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 336 54.3%
2 United States 134 21.6%
3 Germany 37 6%
4 Canada 29 4.7%
5 Netherlands 26 4.2%
6 Hong Kong 18 2.9%
7 Sweden 17 2.7%
8 Ireland 4 0.6%
9 Russia 3 0.5%
10 Taiwan 3 0.5%
11 Ukraine 2 0.3%
12 Uzbekistan 2 0.3%
13 Singapore 2 0.3%
14 Switzerland 2 0.3%
15 France 2 0.3%
16 Brazil 1 0.2%
17 Mauritius 1 0.2%