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 United States 77 34.8%
2 Ireland 40 18.1%
3 China 27 12.2%
4 Germany 25 11.3%
5 Netherlands 16 7.2%
6 Sweden 8 3.6%
7 Russia 6 2.7%
8 Hong Kong 5 2.3%
9 Switzerland 3 1.4%
10 United Kingdom 3 1.4%
11 Canada 2 0.9%
12 India 2 0.9%
13 France 2 0.9%
14 Italy 2 0.9%
15 Korea, Republic of 2 0.9%
16 Ukraine 1 0.5%