BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 59 35.1%
2 United States 39 23.2%
3 Germany 22 13.1%
4 Korea, Republic of 10 6%
5 Philippines 6 3.6%
6 Togo 5 3%
7 Senegal 4 2.4%
8 France 4 2.4%
9 Japan 3 1.8%
10 Taiwan 3 1.8%
11 Singapore 2 1.2%
12 Romania 2 1.2%
13 Norway 2 1.2%
14 Hong Kong 2 1.2%
15 India 2 1.2%
16 Netherlands 1 0.6%
17 Sweden 1 0.6%
18 Ukraine 1 0.6%