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 241 71.9%
2 United States 46 13.7%
3 Germany 23 6.9%
4 Hong Kong 9 2.7%
5 Singapore 6 1.8%
6 Mexico 2 0.6%
7 Netherlands 2 0.6%
8 United Kingdom 2 0.6%
9 Poland 1 0.3%
10 Turkey 1 0.3%
11 Malaysia 1 0.3%
12 France 1 0.3%