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 102 62.6%
2 United States 30 18.4%
3 Germany 7 4.3%
4 Hong Kong 6 3.7%
5 Canada 5 3.1%
6 Taiwan 3 1.8%
7 United Kingdom 2 1.2%
8 Australia 1 0.6%
9 Denmark 1 0.6%
10 France 1 0.6%
11 Luxembourg 1 0.6%
12 Netherlands 1 0.6%
13 Portugal 1 0.6%
14 Russia 1 0.6%
15 South Africa 1 0.6%