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 43 43.9%
2 Netherlands 20 20.4%
3 United States 10 10.2%
4 France 6 6.1%
5 Russia 4 4.1%
6 Taiwan 4 4.1%
7 United Kingdom 3 3.1%
8 Czech Republic 2 2%
9 Germany 2 2%
10 Moldova, Republic of 1 1%
11 Canada 1 1%
12 Estonia 1 1%
13 Finland 1 1%