BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 22 29.7%
2 United States 17 23%
3 Netherlands 9 12.2%
4 Germany 7 9.5%
5 Korea, Republic of 6 8.1%
6 Singapore 3 4.1%
7 Taiwan 3 4.1%
8 Sweden 2 2.7%
9 Italy 2 2.7%
10 Czech Republic 1 1.4%
11 France 1 1.4%
12 Canada 1 1.4%