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 290 62.2%
2 United States 64 13.7%
3 Germany 33 7.1%
4 Netherlands 29 6.2%
5 Taiwan 13 2.8%
6 Hong Kong 11 2.4%
7 Japan 6 1.3%
8 Macao 3 0.6%
9 Czech Republic 3 0.6%
10 Singapore 3 0.6%
11 Sweden 3 0.6%
12 Austria 2 0.4%
13 United Kingdom 2 0.4%
14 Russia 2 0.4%
15 Ukraine 1 0.2%
16 South Africa 1 0.2%