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 109 68.6%
2 United States 13 8.2%
3 Netherlands 8 5%
4 Germany 6 3.8%
5 United Kingdom 5 3.1%
6 Hong Kong 4 2.5%
7 Canada 3 1.9%
8 Taiwan 3 1.9%
9 Ukraine 2 1.3%
10 Singapore 2 1.3%
11 Indonesia 1 0.6%
12 Brazil 1 0.6%
13 Estonia 1 0.6%
14 France 1 0.6%