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 232 54.8%
2 United States 69 16.3%
3 Germany 37 8.7%
4 Hong Kong 28 6.6%
5 Canada 10 2.4%
6 Netherlands 10 2.4%
7 Australia 8 1.9%
8 Singapore 7 1.7%
9 Russia 6 1.4%
10 Japan 5 1.2%
11 Taiwan 4 0.9%
12 United Kingdom 2 0.5%
13 Serbia 2 0.5%
14 Italy 2 0.5%
15 Mauritius 1 0.2%