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 85 31.1%
2 United States 78 28.6%
3 Netherlands 32 11.7%
4 Hong Kong 18 6.6%
5 Canada 16 5.9%
6 Germany 7 2.6%
7 Taiwan 6 2.2%
8 United Kingdom 6 2.2%
9 France 6 2.2%
10 Australia 5 1.8%
11 Japan 4 1.5%
12 Singapore 3 1.1%
13 Austria 2 0.7%
14 Czech Republic 1 0.4%
15 Italy 1 0.4%
16 Portugal 1 0.4%
17 Saudi Arabia 1 0.4%
18 Viet Nam 1 0.4%