BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 160 57.8%
2 United States 52 18.8%
3 Germany 31 11.2%
4 Canada 6 2.2%
5 Australia 5 1.8%
6 Singapore 5 1.8%
7 United Arab Emirates 5 1.8%
8 United Kingdom 3 1.1%
9 Taiwan 3 1.1%
10 Hong Kong 3 1.1%
11 Ireland 2 0.7%
12 Russia 1 0.4%
13 France 1 0.4%