BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 29 47.5%
2 United States 6 9.8%
3 Germany 5 8.2%
4 Hong Kong 4 6.6%
5 Netherlands 4 6.6%
6 Singapore 4 6.6%
7 Senegal 3 4.9%
8 Malaysia 2 3.3%
9 Russia 1 1.6%
10 France 1 1.6%
11 Australia 1 1.6%
12 Canada 1 1.6%