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 46 21.2%
2 United States 46 21.2%
3 Germany 25 11.5%
4 France 16 7.4%
5 Korea, Republic of 14 6.5%
6 Belarus 13 6%
7 Netherlands 12 5.5%
8 Taiwan 9 4.1%
9 India 9 4.1%
10 Ireland 9 4.1%
11 Sweden 7 3.2%
12 Cote D'ivoire 6 2.8%
13 Colombia 2 0.9%
14 Brazil 1 0.5%
15 Switzerland 1 0.5%
16 Ukraine 1 0.5%