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 57.5%
2 United States 70 18.8%
3 Germany 51 13.7%
4 Hong Kong 9 2.4%
5 United Kingdom 5 1.3%
6 Malaysia 3 0.8%
7 Netherlands 2 0.5%
8 Portugal 2 0.5%
9 Sweden 2 0.5%
10 Russia 2 0.5%
11 Japan 2 0.5%
12 France 2 0.5%
13 Australia 2 0.5%
14 Canada 2 0.5%
15 Greece 1 0.3%
16 Singapore 1 0.3%
17 Romania 1 0.3%
18 Norway 1 0.3%