BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 41 30.4%
2 United States 41 30.4%
3 Germany 12 8.9%
4 Netherlands 9 6.7%
5 France 8 5.9%
6 Canada 6 4.4%
7 Australia 5 3.7%
8 Japan 5 3.7%
9 Singapore 2 1.5%
10 New Zealand 2 1.5%
11 Russia 1 0.7%
12 Hong Kong 1 0.7%
13 Taiwan 1 0.7%
14 United Kingdom 1 0.7%