BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 184 70.5%
2 United States 41 15.7%
3 Netherlands 9 3.4%
4 Germany 7 2.7%
5 Canada 6 2.3%
6 Hong Kong 5 1.9%
7 Russia 4 1.5%
8 Korea, Republic of 3 1.1%
9 France 1 0.4%
10 United Kingdom 1 0.4%