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 31 33.3%
2 United States 30 32.3%
3 Netherlands 10 10.8%
4 Germany 7 7.5%
5 Hong Kong 5 5.4%
6 Taiwan 3 3.2%
7 United Kingdom 1 1.1%
8 India 1 1.1%
9 Ireland 1 1.1%
10 Portugal 1 1.1%
11 Russia 1 1.1%
12 Singapore 1 1.1%
13 Sweden 1 1.1%