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 27 30.7%
2 Netherlands 18 20.5%
3 United States 18 20.5%
4 France 8 9.1%
5 Germany 4 4.5%
6 Canada 4 4.5%
7 Australia 2 2.3%
8 Philippines 2 2.3%
9 Korea, Republic of 2 2.3%
10 Singapore 1 1.1%
11 Hong Kong 1 1.1%
12 Czech Republic 1 1.1%