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 226 59.2%
2 United States 66 17.3%
3 Germany 39 10.2%
4 Canada 12 3.1%
5 Hong Kong 9 2.4%
6 France 5 1.3%
7 Ireland 5 1.3%
8 Singapore 4 1%
9 Sweden 2 0.5%
10 Philippines 2 0.5%
11 Romania 2 0.5%
12 Japan 2 0.5%
13 Iraq 2 0.5%
14 Kazakhstan 1 0.3%
15 Korea, Republic of 1 0.3%
16 Russia 1 0.3%
17 Serbia 1 0.3%
18 Ukraine 1 0.3%
19 Spain 1 0.3%