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 67 43.8%
2 United States 45 29.4%
3 Netherlands 11 7.2%
4 Germany 7 4.6%
5 France 5 3.3%
6 Malaysia 4 2.6%
7 Singapore 3 2%
8 Taiwan 3 2%
9 Mexico 2 1.3%
10 Canada 2 1.3%
11 Korea, Republic of 2 1.3%
12 India 1 0.7%
13 Kenya 1 0.7%