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 184 65.7%
2 United States 42 15%
3 Germany 35 12.5%
4 Ireland 3 1.1%
5 Korea, Republic of 3 1.1%
6 Russia 3 1.1%
7 Taiwan 3 1.1%
8 Thailand 2 0.7%
9 Singapore 2 0.7%
10 Czech Republic 2 0.7%
11 Moldova, Republic of 1 0.4%