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 74.8%
2 United States 26 10.6%
3 Germany 14 5.7%
4 Netherlands 7 2.8%
5 Ireland 5 2%
6 Russia 2 0.8%
7 Singapore 2 0.8%
8 Brazil 2 0.8%
9 Canada 1 0.4%
10 United Kingdom 1 0.4%
11 Korea, Republic of 1 0.4%
12 Moldova, Republic of 1 0.4%