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 214 54.9%
2 United States 72 18.5%
3 Germany 41 10.5%
4 Netherlands 28 7.2%
5 Canada 13 3.3%
6 Hong Kong 5 1.3%
7 Russia 4 1%
8 Romania 2 0.5%
9 Australia 2 0.5%
10 Uzbekistan 2 0.5%
11 Taiwan 2 0.5%
12 Turkey 2 0.5%
13 Ukraine 2 0.5%
14 Singapore 1 0.3%