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 64 42.1%
2 United States 35 23%
3 Netherlands 14 9.2%
4 Germany 13 8.6%
5 Taiwan 6 3.9%
6 Singapore 3 2%
7 Sweden 2 1.3%
8 United Kingdom 2 1.3%
9 Indonesia 2 1.3%
10 Ireland 2 1.3%
11 Norway 2 1.3%
12 Canada 2 1.3%
13 Korea, Republic of 2 1.3%
14 Russia 1 0.7%
15 Japan 1 0.7%
16 Hong Kong 1 0.7%