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 43 39.1%
2 United States 28 25.5%
3 Germany 19 17.3%
4 France 6 5.5%
5 Hong Kong 4 3.6%
6 Canada 2 1.8%
7 Chile 1 0.9%
8 Australia 1 0.9%
9 Japan 1 0.9%
10 Portugal 1 0.9%
11 Russia 1 0.9%
12 Singapore 1 0.9%
13 Sweden 1 0.9%
14 Taiwan 1 0.9%