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 China 22 23.9%
2 United States 20 21.7%
3 Germany 17 18.5%
4 Netherlands 11 12%
5 Ireland 9 9.8%
6 France 3 3.3%
7 Antigua and Barbuda 2 2.2%
8 Korea, Republic of 2 2.2%
9 India 2 2.2%
10 Russia 2 2.2%
11 Malaysia 1 1.1%
12 Canada 1 1.1%