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 373 47.1%
2 Netherlands 149 18.8%
3 United States 138 17.4%
4 Germany 52 6.6%
5 France 37 4.7%
6 Canada 21 2.7%
7 Taiwan 7 0.9%
8 Turkey 4 0.5%
9 United Arab Emirates 2 0.3%
10 United Kingdom 2 0.3%
11 Thailand 2 0.3%
12 Russia 2 0.3%
13 Singapore 1 0.1%
14 Romania 1 0.1%
15 Austria 1 0.1%