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 187 58.3%
2 United States 55 17.1%
3 Germany 34 10.6%
4 Netherlands 27 8.4%
5 Singapore 4 1.2%
6 India 3 0.9%
7 Hong Kong 2 0.6%
8 2 0.6%
9 Moldova, Republic of 2 0.6%
10 Sweden 2 0.6%
11 United Kingdom 1 0.3%
12 Romania 1 0.3%
13 Ireland 1 0.3%