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 121 47.8%
2 United States 77 30.4%
3 Germany 17 6.7%
4 Hong Kong 13 5.1%
5 Canada 5 2%
6 Taiwan 5 2%
7 United Kingdom 4 1.6%
8 Malaysia 3 1.2%
9 Australia 2 0.8%
10 Norway 2 0.8%
11 Portugal 1 0.4%
12 Singapore 1 0.4%
13 France 1 0.4%
14 Netherlands 1 0.4%