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 96 40.7%
2 United States 60 25.4%
3 Netherlands 17 7.2%
4 France 17 7.2%
5 Hong Kong 9 3.8%
6 Sweden 9 3.8%
7 India 5 2.1%
8 Korea, Republic of 5 2.1%
9 Germany 4 1.7%
10 Moldova, Republic of 3 1.3%
11 Taiwan 3 1.3%
12 Russia 2 0.8%
13 Switzerland 2 0.8%
14 Canada 2 0.8%
15 Mauritius 1 0.4%
16 Philippines 1 0.4%