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 176 51.8%
2 United States 89 26.2%
3 Canada 24 7.1%
4 Germany 24 7.1%
5 Singapore 9 2.6%
6 Russia 5 1.5%
7 United Kingdom 2 0.6%
8 Netherlands 2 0.6%
9 Hong Kong 2 0.6%
10 Japan 2 0.6%
11 Macao 2 0.6%
12 Malaysia 1 0.3%
13 France 1 0.3%
14 Korea, Republic of 1 0.3%