BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 175 64.1%
2 United States 77 28.2%
3 Germany 8 2.9%
4 Canada 3 1.1%
5 Korea, Republic of 2 0.7%
6 Netherlands 2 0.7%
7 Taiwan 2 0.7%
8 United Kingdom 1 0.4%
9 Russia 1 0.4%
10 Moldova, Republic of 1 0.4%
11 Japan 1 0.4%