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 47 48%
2 United States 14 14.3%
3 Netherlands 12 12.2%
4 Germany 5 5.1%
5 Hong Kong 5 5.1%
6 Canada 5 5.1%
7 Australia 2 2%
8 Macao 2 2%
9 Moldova, Republic of 1 1%
10 India 1 1%
11 Singapore 1 1%
12 Taiwan 1 1%
13 Thailand 1 1%
14 United Kingdom 1 1%