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 72 43.4%
2 China 37 22.3%
3 Hong Kong 20 12%
4 Germany 12 7.2%
5 Taiwan 9 5.4%
6 Korea, Republic of 3 1.8%
7 Netherlands 3 1.8%
8 Singapore 3 1.8%
9 Canada 2 1.2%
10 Poland 2 1.2%
11 Portugal 1 0.6%
12 Macao 1 0.6%
13 United Kingdom 1 0.6%