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 243 59.7%
2 United States 60 14.7%
3 Germany 40 9.8%
4 Taiwan 15 3.7%
5 Hong Kong 8 2%
6 Canada 8 2%
7 Sweden 6 1.5%
8 United Kingdom 4 1%
9 Netherlands 4 1%
10 Russia 3 0.7%
11 Singapore 3 0.7%
12 Ukraine 2 0.5%
13 Australia 2 0.5%
14 Hungary 2 0.5%
15 Japan 2 0.5%
16 Korea, Republic of 2 0.5%
17 Macao 1 0.2%
18 Denmark 1 0.2%
19 Finland 1 0.2%