BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 92 40.4%
2 United States 76 33.3%
3 Germany 16 7%
4 Hong Kong 11 4.8%
5 Japan 8 3.5%
6 Netherlands 6 2.6%
7 Malaysia 3 1.3%
8 Singapore 3 1.3%
9 United Kingdom 2 0.9%
10 Taiwan 2 0.9%
11 2 0.9%
12 Australia 2 0.9%
13 Portugal 1 0.4%
14 Ukraine 1 0.4%
15 South Africa 1 0.4%
16 Spain 1 0.4%
17 Sweden 1 0.4%