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 126 64.9%
2 United States 32 16.5%
3 Hong Kong 14 7.2%
4 Germany 8 4.1%
5 Portugal 5 2.6%
6 Russia 2 1%
7 Taiwan 2 1%
8 United Kingdom 1 0.5%
9 France 1 0.5%
10 Australia 1 0.5%
11 Canada 1 0.5%
12 Netherlands 1 0.5%