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 213 60.2%
2 United States 51 14.4%
3 Germany 34 9.6%
4 Canada 18 5.1%
5 Hong Kong 12 3.4%
6 Taiwan 9 2.5%
7 Australia 5 1.4%
8 United Kingdom 2 0.6%
9 Netherlands 2 0.6%
10 Russia 2 0.6%
11 Malta 2 0.6%
12 Chile 2 0.6%
13 France 1 0.3%
14 Mauritius 1 0.3%