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 63 52.9%
2 United States 15 12.6%
3 Taiwan 14 11.8%
4 Netherlands 9 7.6%
5 Hong Kong 9 7.6%
6 Germany 3 2.5%
7 United Kingdom 2 1.7%
8 Japan 1 0.8%
9 Korea, Republic of 1 0.8%
10 Australia 1 0.8%
11 Ukraine 1 0.8%