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 202 69.4%
2 United States 31 10.7%
3 Hong Kong 15 5.2%
4 Germany 10 3.4%
5 Korea, Republic of 6 2.1%
6 Netherlands 5 1.7%
7 Canada 5 1.7%
8 Senegal 5 1.7%
9 Russia 3 1%
10 Japan 3 1%
11 New Zealand 2 0.7%
12 Malaysia 2 0.7%
13 Singapore 1 0.3%
14 United Kingdom 1 0.3%