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 109 64.1%
2 United States 28 16.5%
3 Germany 7 4.1%
4 Hong Kong 5 2.9%
5 Canada 5 2.9%
6 United Kingdom 4 2.4%
7 Taiwan 3 1.8%
8 Russia 2 1.2%
9 Austria 1 0.6%
10 Czech Republic 1 0.6%
11 France 1 0.6%
12 Ireland 1 0.6%
13 Malaysia 1 0.6%
14 Netherlands 1 0.6%
15 Portugal 1 0.6%