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 176 62.2%
2 United States 50 17.7%
3 Germany 36 12.7%
4 Taiwan 8 2.8%
5 Ireland 4 1.4%
6 Turkey 2 0.7%
7 Hong Kong 2 0.7%
8 Egypt 1 0.4%
9 United Kingdom 1 0.4%
10 Moldova, Republic of 1 0.4%
11 Viet Nam 1 0.4%
12 Bangladesh 1 0.4%