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 United States 65 44.5%
2 China 46 31.5%
3 Germany 9 6.2%
4 Hong Kong 8 5.5%
5 Japan 5 3.4%
6 Netherlands 4 2.7%
7 Singapore 3 2.1%
8 Turkey 2 1.4%
9 France 2 1.4%
10 Australia 2 1.4%