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 137 35.5%
2 United States 85 22%
3 Netherlands 68 17.6%
4 Germany 33 8.5%
5 Canada 18 4.7%
6 Hong Kong 15 3.9%
7 Malaysia 5 1.3%
8 Australia 4 1%
9 Japan 4 1%
10 Russia 4 1%
11 Singapore 4 1%
12 Taiwan 2 0.5%
13 Korea, Republic of 2 0.5%
14 Macao 2 0.5%
15 2 0.5%
16 United Kingdom 1 0.3%