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 55 43%
2 United States 31 24.2%
3 Netherlands 19 14.8%
4 Germany 7 5.5%
5 Hong Kong 6 4.7%
6 Taiwan 4 3.1%
7 France 1 0.8%
8 Ireland 1 0.8%
9 Korea, Republic of 1 0.8%
10 Portugal 1 0.8%
11 Russia 1 0.8%
12 Sweden 1 0.8%