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 201 50.8%
2 United States 110 27.8%
3 Germany 41 10.4%
4 France 23 5.8%
5 Canada 11 2.8%
6 Macao 4 1%
7 Singapore 2 0.5%
8 Mauritius 1 0.3%
9 Mexico 1 0.3%
10 Norway 1 0.3%
11 Czech Republic 1 0.3%