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 94 55%
2 United States 25 14.6%
3 Germany 13 7.6%
4 Netherlands 7 4.1%
5 Hong Kong 5 2.9%
6 Canada 5 2.9%
7 Taiwan 4 2.3%
8 United Kingdom 4 2.3%
9 Singapore 3 1.8%
10 Korea, Republic of 3 1.8%
11 Israel 2 1.2%
12 Russia 2 1.2%
13 Portugal 1 0.6%
14 Italy 1 0.6%
15 Japan 1 0.6%
16 France 1 0.6%