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 126 51.9%
2 United States 59 24.3%
3 Netherlands 20 8.2%
4 Hong Kong 15 6.2%
5 Germany 9 3.7%
6 United Kingdom 2 0.8%
7 Singapore 2 0.8%
8 Australia 2 0.8%
9 Canada 2 0.8%
10 France 1 0.4%
11 Japan 1 0.4%
12 Korea, Republic of 1 0.4%
13 Portugal 1 0.4%
14 Romania 1 0.4%
15 Sweden 1 0.4%