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 66 36.3%
2 United States 57 31.3%
3 Netherlands 16 8.8%
4 Germany 13 7.1%
5 Korea, Republic of 7 3.8%
6 Senegal 6 3.3%
7 Hong Kong 4 2.2%
8 Canada 4 2.2%
9 France 3 1.6%
10 Singapore 2 1.1%
11 United Kingdom 1 0.5%
12 Australia 1 0.5%
13 Ireland 1 0.5%
14 Malaysia 1 0.5%