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 121 57.3%
2 United States 38 18%
3 Netherlands 17 8.1%
4 Korea, Republic of 9 4.3%
5 Sweden 7 3.3%
6 Canada 5 2.4%
7 Malaysia 3 1.4%
8 Russia 3 1.4%
9 Hong Kong 2 0.9%
10 Italy 2 0.9%
11 Singapore 1 0.5%
12 New Zealand 1 0.5%
13 Ukraine 1 0.5%
14 United Kingdom 1 0.5%