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 185 62.5%
2 United States 59 19.9%
3 Germany 32 10.8%
4 Netherlands 4 1.4%
5 Taiwan 4 1.4%
6 Hong Kong 3 1%
7 Singapore 2 0.7%
8 Korea, Republic of 2 0.7%
9 United Kingdom 2 0.7%
10 Belarus 1 0.3%
11 Ireland 1 0.3%
12 Croatia 1 0.3%