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 415 52.5%
2 United States 212 26.8%
3 Germany 35 4.4%
4 Netherlands 32 4%
5 Canada 28 3.5%
6 Taiwan 26 3.3%
7 Hong Kong 23 2.9%
8 Singapore 7 0.9%
9 France 3 0.4%
10 Sweden 2 0.3%
11 Turkey 2 0.3%
12 Mongolia 2 0.3%
13 United Kingdom 1 0.1%
14 Australia 1 0.1%
15 Japan 1 0.1%
16 Romania 1 0.1%