BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 381 74.9%
2 United States 43 8.4%
3 Hong Kong 22 4.3%
4 Germany 18 3.5%
5 Netherlands 17 3.3%
6 Taiwan 7 1.4%
7 Canada 4 0.8%
8 Russia 3 0.6%
9 Macao 3 0.6%
10 Singapore 2 0.4%
11 France 2 0.4%
12 Japan 2 0.4%
13 Korea, Republic of 2 0.4%
14 Portugal 1 0.2%
15 Sweden 1 0.2%
16 United Kingdom 1 0.2%