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 100 57.8%
2 United States 36 20.8%
3 Hong Kong 12 6.9%
4 Germany 6 3.5%
5 Portugal 4 2.3%
6 Russia 2 1.2%
7 Singapore 2 1.2%
8 Taiwan 2 1.2%
9 Korea, Republic of 2 1.2%
10 2 1.2%
11 Canada 1 0.6%
12 France 1 0.6%
13 Malaysia 1 0.6%
14 Netherlands 1 0.6%
15 Italy 1 0.6%