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 51 38.3%
2 United States 29 21.8%
3 Netherlands 14 10.5%
4 Hong Kong 10 7.5%
5 Canada 7 5.3%
6 Germany 5 3.8%
7 Korea, Republic of 5 3.8%
8 Singapore 3 2.3%
9 Taiwan 2 1.5%
10 Macao 2 1.5%
11 Malaysia 2 1.5%
12 Czech Republic 2 1.5%
13 France 1 0.8%