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 158 59%
2 United States 49 18.3%
3 Germany 36 13.4%
4 Taiwan 9 3.4%
5 Sweden 3 1.1%
6 Russia 2 0.7%
7 Hong Kong 2 0.7%
8 Chile 2 0.7%
9 Argentina 1 0.4%
10 Czech Republic 1 0.4%
11 France 1 0.4%
12 India 1 0.4%
13 Netherlands 1 0.4%
14 Romania 1 0.4%
15 United Kingdom 1 0.4%