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 88 60.3%
2 United States 30 20.5%
3 Germany 7 4.8%
4 Hong Kong 6 4.1%
5 Korea, Republic of 2 1.4%
6 Canada 2 1.4%
7 South Africa 2 1.4%
8 Taiwan 2 1.4%
9 United Kingdom 2 1.4%
10 Malaysia 1 0.7%
11 Portugal 1 0.7%
12 Russia 1 0.7%
13 Singapore 1 0.7%
14 Japan 1 0.7%