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 306 65%
2 United States 70 14.9%
3 Germany 43 9.1%
4 Hong Kong 19 4%
5 Taiwan 9 1.9%
6 Ireland 6 1.3%
7 Canada 3 0.6%
8 Russia 3 0.6%
9 Singapore 2 0.4%
10 Sweden 2 0.4%
11 Australia 2 0.4%
12 Moldova, Republic of 2 0.4%
13 United Kingdom 2 0.4%
14 Ukraine 1 0.2%
15 Netherlands 1 0.2%