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 162 50.9%
2 United States 62 19.5%
3 Germany 32 10.1%
4 Canada 31 9.7%
5 Hong Kong 5 1.6%
6 Netherlands 5 1.6%
7 Australia 4 1.3%
8 Russia 3 0.9%
9 Italy 3 0.9%
10 Taiwan 2 0.6%
11 United Kingdom 2 0.6%
12 Singapore 2 0.6%
13 France 2 0.6%
14 Austria 1 0.3%
15 South Africa 1 0.3%
16 Spain 1 0.3%