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 165 59.8%
2 United States 39 14.1%
3 Germany 27 9.8%
4 France 19 6.9%
5 Ireland 8 2.9%
6 Russia 4 1.4%
7 Singapore 3 1.1%
8 Japan 3 1.1%
9 Korea, Republic of 2 0.7%
10 Taiwan 2 0.7%
11 Ukraine 2 0.7%
12 Romania 1 0.4%
13 Canada 1 0.4%