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 150 47.5%
2 United States 53 16.8%
3 Netherlands 32 10.1%
4 Germany 31 9.8%
5 Taiwan 23 7.3%
6 Canada 15 4.7%
7 United Kingdom 2 0.6%
8 Hong Kong 2 0.6%
9 Albania 2 0.6%
10 Brazil 2 0.6%
11 France 1 0.3%
12 Japan 1 0.3%
13 Mauritius 1 0.3%
14 Singapore 1 0.3%