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 53 37.3%
2 United States 35 24.6%
3 Germany 10 7%
4 Hong Kong 7 4.9%
5 Malaysia 6 4.2%
6 Portugal 6 4.2%
7 Spain 4 2.8%
8 Senegal 3 2.1%
9 3 2.1%
10 Finland 2 1.4%
11 Switzerland 2 1.4%
12 Netherlands 2 1.4%
13 Viet Nam 2 1.4%
14 Russia 1 0.7%
15 United Kingdom 1 0.7%
16 Singapore 1 0.7%
17 Argentina 1 0.7%
18 Canada 1 0.7%
19 Japan 1 0.7%
20 Korea, Republic of 1 0.7%