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 232 57.9%
2 United States 108 26.9%
3 Germany 24 6%
4 Hong Kong 12 3%
5 United Kingdom 5 1.2%
6 Korea, Republic of 4 1%
7 Moldova, Republic of 3 0.7%
8 Ireland 3 0.7%
9 Japan 3 0.7%
10 Taiwan 2 0.5%
11 Israel 2 0.5%
12 Netherlands 2 0.5%
13 Russia 1 0.2%