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 626 60.7%
2 United States 187 18.1%
3 Netherlands 101 9.8%
4 Germany 49 4.8%
5 Singapore 15 1.5%
6 Canada 11 1.1%
7 Hong Kong 10 1%
8 Taiwan 6 0.6%
9 Sweden 4 0.4%
10 France 4 0.4%
11 Japan 3 0.3%
12 Macao 3 0.3%
13 Russia 3 0.3%
14 Luxembourg 2 0.2%
15 Finland 2 0.2%
16 Korea, Republic of 1 0.1%
17 India 1 0.1%
18 Philippines 1 0.1%
19 Ukraine 1 0.1%
20 United Kingdom 1 0.1%