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 235 64.6%
2 United States 53 14.6%
3 Germany 37 10.2%
4 Hong Kong 6 1.6%
5 India 4 1.1%
6 Japan 4 1.1%
7 Korea, Republic of 4 1.1%
8 Austria 4 1.1%
9 United Kingdom 3 0.8%
10 Sweden 2 0.5%
11 Canada 2 0.5%
12 Chile 2 0.5%
13 Netherlands 2 0.5%
14 New Zealand 2 0.5%
15 Russia 1 0.3%
16 Singapore 1 0.3%
17 France 1 0.3%
18 Taiwan 1 0.3%