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 166 61.3%
2 United States 49 18.1%
3 Germany 35 12.9%
4 Ireland 4 1.5%
5 Hong Kong 2 0.7%
6 Belgium 2 0.7%
7 France 2 0.7%
8 Sweden 2 0.7%
9 Japan 2 0.7%
10 Korea, Republic of 2 0.7%
11 Latvia 1 0.4%
12 Poland 1 0.4%
13 Romania 1 0.4%
14 Czech Republic 1 0.4%
15 Italy 1 0.4%