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 110 42.8%
2 United States 66 25.7%
3 France 20 7.8%
4 Netherlands 20 7.8%
5 Korea, Republic of 7 2.7%
6 Germany 6 2.3%
7 Sweden 6 2.3%
8 Russia 5 1.9%
9 Hong Kong 5 1.9%
10 Japan 5 1.9%
11 Poland 3 1.2%
12 United Kingdom 2 0.8%
13 Ukraine 1 0.4%
14 India 1 0.4%