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 171 73.4%
2 United States 28 12%
3 Germany 17 7.3%
4 Hong Kong 4 1.7%
5 2 0.9%
6 Australia 2 0.9%
7 Russia 2 0.9%
8 Thailand 2 0.9%
9 United Kingdom 2 0.9%
10 France 1 0.4%
11 Korea, Republic of 1 0.4%
12 Netherlands 1 0.4%