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 United States 64 37.9%
2 China 57 33.7%
3 Hong Kong 19 11.2%
4 Germany 8 4.7%
5 Taiwan 8 4.7%
6 Netherlands 7 4.1%
7 Portugal 1 0.6%
8 Russia 1 0.6%
9 Singapore 1 0.6%
10 Korea, Republic of 1 0.6%
11 Lao People's Democratic Republic 1 0.6%
12 United Kingdom 1 0.6%