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 United States 29 29%
2 China 24 24%
3 Netherlands 15 15%
4 Canada 9 9%
5 Thailand 7 7%
6 Germany 4 4%
7 Hong Kong 3 3%
8 Czech Republic 2 2%
9 Russia 2 2%
10 Singapore 2 2%
11 Taiwan 1 1%
12 Australia 1 1%
13 Mauritius 1 1%