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 277 64.3%
2 United States 77 17.9%
3 Germany 35 8.1%
4 Hong Kong 15 3.5%
5 Taiwan 8 1.9%
6 Japan 6 1.4%
7 France 5 1.2%
8 Turkey 3 0.7%
9 Netherlands 2 0.5%
10 Singapore 1 0.2%
11 Korea, Republic of 1 0.2%
12 United Kingdom 1 0.2%