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 204 67.1%
2 United States 46 15.1%
3 Germany 27 8.9%
4 Russia 5 1.6%
5 Singapore 5 1.6%
6 Japan 5 1.6%
7 Hong Kong 3 1%
8 France 2 0.7%
9 Thailand 2 0.7%
10 United Kingdom 2 0.7%
11 Malaysia 1 0.3%
12 Netherlands 1 0.3%
13 Australia 1 0.3%