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 35 39.3%
2 United States 28 31.5%
3 Netherlands 9 10.1%
4 Hong Kong 5 5.6%
5 United Kingdom 4 4.5%
6 Germany 3 3.4%
7 Serbia 2 2.2%
8 Taiwan 1 1.1%
9 Russia 1 1.1%
10 France 1 1.1%