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 69 61.6%
2 United States 17 15.2%
3 Netherlands 7 6.2%
4 Germany 5 4.5%
5 Hong Kong 3 2.7%
6 France 2 1.8%
7 Russia 2 1.8%
8 Singapore 2 1.8%
9 United Kingdom 2 1.8%
10 Brazil 2 1.8%
11 Malaysia 1 0.9%