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 83 51.2%
2 United States 19 11.7%
3 Taiwan 18 11.1%
4 Netherlands 17 10.5%
5 France 8 4.9%
6 Germany 7 4.3%
7 South Africa 2 1.2%
8 Belgium 2 1.2%
9 Canada 2 1.2%
10 Jordan 2 1.2%
11 United Kingdom 1 0.6%
12 India 1 0.6%