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 40 48.2%
2 United States 11 13.3%
3 Germany 9 10.8%
4 Singapore 7 8.4%
5 Malaysia 4 4.8%
6 Netherlands 3 3.6%
7 India 3 3.6%
8 South Africa 2 2.4%
9 United Kingdom 2 2.4%
10 Canada 1 1.2%
11 Taiwan 1 1.2%