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 37 34.6%
2 United States 29 27.1%
3 Germany 12 11.2%
4 United Kingdom 5 4.7%
5 Canada 4 3.7%
6 Hong Kong 4 3.7%
7 Netherlands 3 2.8%
8 Malaysia 2 1.9%
9 Singapore 2 1.9%
10 Taiwan 2 1.9%
11 Portugal 1 0.9%
12 Italy 1 0.9%
13 Korea, Republic of 1 0.9%
14 Czech Republic 1 0.9%
15 France 1 0.9%
16 Australia 1 0.9%
17 Austria 1 0.9%