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 135 49.5%
2 United States 87 31.9%
3 Germany 16 5.9%
4 Hong Kong 7 2.6%
5 Netherlands 5 1.8%
6 Philippines 5 1.8%
7 Japan 3 1.1%
8 Sweden 3 1.1%
9 United Kingdom 3 1.1%
10 Ukraine 2 0.7%
11 Russia 2 0.7%
12 Senegal 2 0.7%
13 South Africa 1 0.4%
14 France 1 0.4%
15 Canada 1 0.4%