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 96 51.6%
2 United States 41 22%
3 Germany 26 14%
4 France 4 2.2%
5 United Kingdom 4 2.2%
6 Iraq 3 1.6%
7 Mexico 3 1.6%
8 Netherlands 3 1.6%
9 Turkey 2 1.1%
10 Russia 1 0.5%
11 Korea, Republic of 1 0.5%
12 Bulgaria 1 0.5%
13 Canada 1 0.5%