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 28 31.5%
2 Netherlands 20 22.5%
3 Germany 11 12.4%
4 United States 9 10.1%
5 France 5 5.6%
6 India 3 3.4%
7 Korea, Republic of 3 3.4%
8 Ireland 2 2.2%
9 Cote D'ivoire 2 2.2%
10 Sweden 2 2.2%
11 Taiwan 2 2.2%
12 Belarus 1 1.1%
13 Mongolia 1 1.1%