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 211 63.4%
2 United States 49 14.7%
3 Hong Kong 14 4.2%
4 Germany 12 3.6%
5 Netherlands 10 3%
6 Portugal 9 2.7%
7 Taiwan 7 2.1%
8 Canada 4 1.2%
9 3 0.9%
10 United Kingdom 3 0.9%
11 Senegal 2 0.6%
12 Singapore 2 0.6%
13 Japan 2 0.6%
14 Korea, Republic of 2 0.6%
15 Malaysia 1 0.3%
16 France 1 0.3%
17 Russia 1 0.3%