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 58 42%
2 United States 32 23.2%
3 Germany 16 11.6%
4 Netherlands 8 5.8%
5 Hong Kong 6 4.3%
6 Taiwan 5 3.6%
7 Canada 4 2.9%
8 Australia 2 1.4%
9 Sweden 2 1.4%
10 Ukraine 1 0.7%
11 United Kingdom 1 0.7%
12 France 1 0.7%
13 Portugal 1 0.7%
14 Russia 1 0.7%