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 83 50.3%
2 United States 37 22.4%
3 Netherlands 14 8.5%
4 Germany 9 5.5%
5 Korea, Republic of 5 3%
6 France 4 2.4%
7 Canada 2 1.2%
8 Hong Kong 2 1.2%
9 India 2 1.2%
10 Macao 2 1.2%
11 Taiwan 2 1.2%
12 Sweden 1 0.6%
13 Japan 1 0.6%
14 Cyprus 1 0.6%