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 United States 43 32.8%
2 China 33 25.2%
3 Netherlands 24 18.3%
4 Germany 9 6.9%
5 Hong Kong 4 3.1%
6 Malaysia 4 3.1%
7 United Kingdom 4 3.1%
8 Singapore 2 1.5%
9 Canada 2 1.5%
10 Chile 1 0.8%
11 Czech Republic 1 0.8%
12 France 1 0.8%
13 Australia 1 0.8%
14 Japan 1 0.8%
15 Portugal 1 0.8%