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 115 59.3%
2 United States 25 12.9%
3 Germany 18 9.3%
4 Netherlands 14 7.2%
5 Hong Kong 6 3.1%
6 Japan 5 2.6%
7 Czech Republic 2 1%
8 Singapore 2 1%
9 Ukraine 1 0.5%
10 United Kingdom 1 0.5%
11 Canada 1 0.5%
12 France 1 0.5%
13 New Zealand 1 0.5%
14 Portugal 1 0.5%
15 Korea, Republic of 1 0.5%