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 107 56.9%
2 United States 46 24.5%
3 Germany 15 8%
4 Hong Kong 4 2.1%
5 Canada 4 2.1%
6 Singapore 4 2.1%
7 Korea, Republic of 2 1.1%
8 Malaysia 1 0.5%
9 New Zealand 1 0.5%
10 Portugal 1 0.5%
11 Italy 1 0.5%
12 Ukraine 1 0.5%
13 United Kingdom 1 0.5%