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%
2 United States 69 15.9%
3 Germany 44 10.2%
4 Hong Kong 11 2.5%
5 Taiwan 8 1.8%
6 Japan 4 0.9%
7 Canada 3 0.7%
8 Singapore 3 0.7%
9 Turkey 2 0.5%
10 Albania 2 0.5%
11 Denmark 2 0.5%
12 Moldova, Republic of 2 0.5%
13 Netherlands 2 0.5%
14 Romania 2 0.5%
15 France 1 0.2%
16 United Kingdom 1 0.2%