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 63 41.2%
2 United States 36 23.5%
3 Netherlands 28 18.3%
4 Canada 8 5.2%
5 Korea, Republic of 6 3.9%
6 France 4 2.6%
7 Germany 3 2%
8 Russia 2 1.3%
9 Singapore 2 1.3%
10 Taiwan 1 0.7%