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 38 33.9%
2 United States 28 25%
3 Netherlands 12 10.7%
4 Hong Kong 7 6.2%
5 Korea, Republic of 7 6.2%
6 Germany 6 5.4%
7 Russia 5 4.5%
8 Australia 5 4.5%
9 United Kingdom 2 1.8%
10 New Zealand 2 1.8%