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 35 40.2%
2 United States 30 34.5%
3 Germany 7 8%
4 Hong Kong 4 4.6%
5 Japan 2 2.3%
6 Russia 2 2.3%
7 United Kingdom 2 2.3%
8 Canada 1 1.1%
9 Singapore 1 1.1%
10 France 1 1.1%
11 Netherlands 1 1.1%
12 Portugal 1 1.1%