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 93 56.7%
2 United States 31 18.9%
3 Germany 15 9.1%
4 Hong Kong 9 5.5%
5 Canada 3 1.8%
6 Russia 3 1.8%
7 Taiwan 2 1.2%
8 United Kingdom 2 1.2%
9 Australia 2 1.2%
10 Norway 2 1.2%
11 Portugal 1 0.6%
12 Japan 1 0.6%