BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 198 55.5%
2 United States 71 19.9%
3 Germany 34 9.5%
4 Canada 26 7.3%
5 Taiwan 8 2.2%
6 Hong Kong 5 1.4%
7 Macao 3 0.8%
8 Netherlands 2 0.6%
9 Russia 2 0.6%
10 Singapore 2 0.6%
11 Japan 2 0.6%
12 United Kingdom 2 0.6%
13 Cambodia 1 0.3%
14 Korea, Republic of 1 0.3%