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 United States 57 32.9%
2 China 54 31.2%
3 Germany 24 13.9%
4 Netherlands 13 7.5%
5 Philippines 7 4%
6 Hong Kong 4 2.3%
7 Sweden 3 1.7%
8 United Kingdom 2 1.2%
9 Malaysia 2 1.2%
10 Russia 2 1.2%
11 Poland 1 0.6%
12 India 1 0.6%
13 France 1 0.6%
14 Taiwan 1 0.6%
15 Ukraine 1 0.6%