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 72 33%
2 United States 50 22.9%
3 Netherlands 21 9.6%
4 Germany 17 7.8%
5 Hong Kong 13 6%
6 India 6 2.8%
7 Korea, Republic of 6 2.8%
8 Sweden 6 2.8%
9 Taiwan 6 2.8%
10 Ireland 5 2.3%
11 France 5 2.3%
12 Greece 3 1.4%
13 Hungary 3 1.4%
14 Mongolia 2 0.9%
15 Romania 2 0.9%
16 Russia 1 0.5%