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 70 42.4%
2 Netherlands 25 15.2%
3 France 21 12.7%
4 United States 19 11.5%
5 Germany 11 6.7%
6 Russia 5 3%
7 Sweden 4 2.4%
8 Taiwan 2 1.2%
9 Czech Republic 2 1.2%
10 Japan 2 1.2%
11 Portugal 1 0.6%
12 Israel 1 0.6%
13 Ukraine 1 0.6%
14 United Kingdom 1 0.6%