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 57 40.1%
2 Netherlands 21 14.8%
3 France 20 14.1%
4 United States 16 11.3%
5 Germany 7 4.9%
6 Korea, Republic of 5 3.5%
7 Russia 5 3.5%
8 Canada 4 2.8%
9 Belgium 2 1.4%
10 1 0.7%
11 Australia 1 0.7%
12 India 1 0.7%
13 Czech Republic 1 0.7%
14 United Kingdom 1 0.7%