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 54 40.3%
2 United States 40 29.9%
3 Netherlands 16 11.9%
4 Hong Kong 7 5.2%
5 Germany 6 4.5%
6 Singapore 3 2.2%
7 Japan 2 1.5%
8 Korea, Republic of 2 1.5%
9 United Kingdom 1 0.7%
10 Portugal 1 0.7%
11 Russia 1 0.7%
12 Canada 1 0.7%