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 United States 181 37.9%
2 China 118 24.7%
3 Netherlands 55 11.5%
4 Germany 39 8.2%
5 France 22 4.6%
6 Hong Kong 17 3.6%
7 Canada 12 2.5%
8 Portugal 8 1.7%
9 Taiwan 5 1%
10 Ukraine 5 1%
11 4 0.8%
12 Uzbekistan 3 0.6%
13 Singapore 3 0.6%
14 Niger 2 0.4%
15 Czech Republic 2 0.4%
16 Georgia 1 0.2%
17 Philippines 1 0.2%