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 44 41.1%
2 United States 18 16.8%
3 Germany 9 8.4%
4 Canada 6 5.6%
5 Singapore 6 5.6%
6 Hong Kong 5 4.7%
7 Taiwan 4 3.7%
8 Netherlands 3 2.8%
9 Japan 3 2.8%
10 Australia 3 2.8%
11 Italy 2 1.9%
12 Malaysia 1 0.9%
13 France 1 0.9%
14 Thailand 1 0.9%
15 Ukraine 1 0.9%