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 86 43.2%
2 China 55 27.6%
3 Germany 16 8%
4 Hong Kong 12 6%
5 Australia 8 4%
6 France 5 2.5%
7 Singapore 4 2%
8 Canada 3 1.5%
9 Japan 2 1%
10 Taiwan 2 1%
11 United Kingdom 2 1%
12 Viet Nam 1 0.5%
13 Korea, Republic of 1 0.5%
14 Portugal 1 0.5%
15 Russia 1 0.5%