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 165 68.8%
2 United States 36 15%
3 Germany 25 10.4%
4 Hong Kong 3 1.2%
5 India 2 0.8%
6 Japan 2 0.8%
7 Romania 2 0.8%
8 United Kingdom 2 0.8%
9 Australia 1 0.4%
10 Russia 1 0.4%
11 Netherlands 1 0.4%