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 160 56.7%
2 United States 93 33%
3 Netherlands 9 3.2%
4 Germany 7 2.5%
5 Hong Kong 3 1.1%
6 Taiwan 3 1.1%
7 Singapore 2 0.7%
8 United Kingdom 1 0.4%
9 Portugal 1 0.4%
10 Russia 1 0.4%
11 Ireland 1 0.4%
12 France 1 0.4%