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 220 63.2%
2 United States 65 18.7%
3 Germany 24 6.9%
4 Canada 11 3.2%
5 Malaysia 6 1.7%
6 Taiwan 6 1.7%
7 United Kingdom 3 0.9%
8 Netherlands 3 0.9%
9 Australia 3 0.9%
10 Hungary 2 0.6%
11 Russia 1 0.3%
12 Singapore 1 0.3%
13 France 1 0.3%
14 Mauritius 1 0.3%
15 Hong Kong 1 0.3%