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 173 50.6%
2 United States 98 28.7%
3 Germany 34 9.9%
4 Canada 13 3.8%
5 India 5 1.5%
6 Malaysia 3 0.9%
7 Russia 3 0.9%
8 Singapore 2 0.6%
9 United Kingdom 2 0.6%
10 Netherlands 2 0.6%
11 Hong Kong 2 0.6%
12 Australia 2 0.6%
13 Egypt 1 0.3%
14 Mauritius 1 0.3%
15 Norway 1 0.3%