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 218 49.1%
2 United States 150 33.8%
3 Germany 43 9.7%
4 Canada 5 1.1%
5 5 1.1%
6 New Zealand 5 1.1%
7 Taiwan 4 0.9%
8 Netherlands 3 0.7%
9 Hong Kong 3 0.7%
10 Japan 2 0.5%
11 France 2 0.5%
12 United Kingdom 2 0.5%
13 Singapore 1 0.2%
14 Australia 1 0.2%