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 131 62.1%
2 United States 29 13.7%
3 Germany 28 13.3%
4 Ireland 7 3.3%
5 United Arab Emirates 3 1.4%
6 2 0.9%
7 Czech Republic 2 0.9%
8 Slovakia 2 0.9%
9 Spain 2 0.9%
10 Taiwan 1 0.5%
11 France 1 0.5%
12 Korea, Republic of 1 0.5%
13 Russia 1 0.5%
14 Singapore 1 0.5%