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 42 31.1%
2 Germany 36 26.7%
3 United States 31 23%
4 Netherlands 6 4.4%
5 Ireland 5 3.7%
6 India 3 2.2%
7 Brazil 3 2.2%
8 United Kingdom 2 1.5%
9 Korea, Republic of 2 1.5%
10 Poland 2 1.5%
11 Russia 1 0.7%
12 Finland 1 0.7%
13 France 1 0.7%