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 155 69.2%
2 United States 23 10.3%
3 Germany 15 6.7%
4 Hong Kong 8 3.6%
5 Taiwan 5 2.2%
6 Sweden 3 1.3%
7 Netherlands 3 1.3%
8 Norway 2 0.9%
9 Canada 2 0.9%
10 France 2 0.9%
11 Russia 2 0.9%
12 Thailand 1 0.4%
13 Australia 1 0.4%
14 Czech Republic 1 0.4%
15 Portugal 1 0.4%