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 57 51.4%
2 Netherlands 11 9.9%
3 United States 10 9%
4 Germany 8 7.2%
5 Hong Kong 8 7.2%
6 Australia 7 6.3%
7 Canada 5 4.5%
8 United Kingdom 2 1.8%
9 Nigeria 1 0.9%
10 Portugal 1 0.9%
11 Moldova, Republic of 1 0.9%