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 236 65%
2 United States 57 15.7%
3 Germany 38 10.5%
4 Taiwan 7 1.9%
5 Korea, Republic of 6 1.7%
6 United Kingdom 3 0.8%
7 Sweden 3 0.8%
8 India 3 0.8%
9 Iraq 2 0.6%
10 Netherlands 2 0.6%
11 Poland 1 0.3%
12 Russia 1 0.3%
13 Singapore 1 0.3%
14 Italy 1 0.3%
15 Hong Kong 1 0.3%
16 Macao 1 0.3%