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 43 30.1%
2 United States 35 24.5%
3 Germany 13 9.1%
4 Netherlands 11 7.7%
5 Taiwan 11 7.7%
6 Korea, Republic of 9 6.3%
7 France 5 3.5%
8 Macao 4 2.8%
9 Japan 4 2.8%
10 United Kingdom 3 2.1%
11 India 2 1.4%
12 Ireland 1 0.7%
13 Belarus 1 0.7%
14 Sweden 1 0.7%