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 55 46.6%
2 United States 24 20.3%
3 Netherlands 9 7.6%
4 Germany 7 5.9%
5 Hong Kong 5 4.2%
6 United Kingdom 4 3.4%
7 Canada 3 2.5%
8 Taiwan 2 1.7%
9 Russia 2 1.7%
10 Singapore 1 0.8%
11 Spain 1 0.8%
12 Sweden 1 0.8%
13 Australia 1 0.8%
14 Portugal 1 0.8%
15 India 1 0.8%
16 Ireland 1 0.8%