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 104 50.2%
2 United States 56 27.1%
3 France 8 3.9%
4 Netherlands 8 3.9%
5 Korea, Republic of 7 3.4%
6 Sweden 6 2.9%
7 India 4 1.9%
8 Senegal 3 1.4%
9 Thailand 2 1%
10 Italy 2 1%
11 Germany 2 1%
12 Argentina 2 1%
13 Canada 1 0.5%
14 New Zealand 1 0.5%
15 Russia 1 0.5%