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 37 30.1%
2 United States 29 23.6%
3 Netherlands 17 13.8%
4 Germany 14 11.4%
5 France 11 8.9%
6 Hong Kong 3 2.4%
7 Japan 2 1.6%
8 Taiwan 2 1.6%
9 United Kingdom 2 1.6%
10 Australia 2 1.6%
11 Belarus 2 1.6%
12 Canada 1 0.8%
13 Czech Republic 1 0.8%