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 32 37.2%
2 United States 23 26.7%
3 Germany 12 14%
4 Hong Kong 7 8.1%
5 France 3 3.5%
6 Taiwan 3 3.5%
7 Canada 2 2.3%
8 United Kingdom 1 1.2%
9 New Zealand 1 1.2%
10 Portugal 1 1.2%
11 Sweden 1 1.2%