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 United States 24 28.9%
2 China 21 25.3%
3 Netherlands 17 20.5%
4 Korea, Republic of 7 8.4%
5 Russia 5 6%
6 Poland 2 2.4%
7 Germany 2 2.4%
8 Hong Kong 2 2.4%
9 France 1 1.2%
10 Canada 1 1.2%
11 United Kingdom 1 1.2%