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 85 48.9%
2 China 29 16.7%
3 Germany 13 7.5%
4 Canada 11 6.3%
5 Korea, Republic of 8 4.6%
6 Malaysia 5 2.9%
7 Senegal 5 2.9%
8 Singapore 3 1.7%
9 Australia 3 1.7%
10 Hong Kong 3 1.7%
11 Japan 2 1.1%
12 Cambodia 2 1.1%
13 Portugal 2 1.1%
14 Netherlands 1 0.6%
15 Taiwan 1 0.6%
16 Macao 1 0.6%