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 108 45.8%
2 United States 44 18.6%
3 Netherlands 18 7.6%
4 Germany 17 7.2%
5 Taiwan 11 4.7%
6 Hong Kong 10 4.2%
7 Korea, Republic of 7 3%
8 India 6 2.5%
9 France 6 2.5%
10 Ireland 4 1.7%
11 Sweden 3 1.3%
12 Singapore 2 0.8%