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 39 53.4%
2 United States 10 13.7%
3 Taiwan 6 8.2%
4 Netherlands 5 6.8%
5 United Kingdom 4 5.5%
6 Germany 3 4.1%
7 Russia 2 2.7%
8 Singapore 1 1.4%
9 Thailand 1 1.4%
10 Hong Kong 1 1.4%
11 India 1 1.4%