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 61 46.9%
2 United States 19 14.6%
3 Germany 15 11.5%
4 Taiwan 10 7.7%
5 Hong Kong 7 5.4%
6 Netherlands 7 5.4%
7 Japan 4 3.1%
8 Italy 2 1.5%
9 Thailand 2 1.5%
10 Turkey 1 0.8%
11 Korea, Republic of 1 0.8%
12 Singapore 1 0.8%