BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 185 72.3%
2 United States 20 7.8%
3 Netherlands 12 4.7%
4 Germany 6 2.3%
5 Hong Kong 6 2.3%
6 United Kingdom 5 2%
7 Macao 4 1.6%
8 France 4 1.6%
9 Canada 4 1.6%
10 Korea, Republic of 2 0.8%
11 Russia 2 0.8%
12 Sweden 2 0.8%
13 Taiwan 2 0.8%
14 Japan 1 0.4%
15 Belgium 1 0.4%