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 200 59.3%
2 United States 70 20.8%
3 Germany 18 5.3%
4 Taiwan 11 3.3%
5 Hong Kong 10 3%
6 Netherlands 10 3%
7 Portugal 5 1.5%
8 Russia 2 0.6%
9 Senegal 2 0.6%
10 United Kingdom 2 0.6%
11 Australia 2 0.6%
12 Canada 2 0.6%
13 Singapore 1 0.3%
14 South Africa 1 0.3%
15 Ireland 1 0.3%