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 United States 71 42.3%
2 China 37 22%
3 Netherlands 13 7.7%
4 Hong Kong 8 4.8%
5 Canada 6 3.6%
6 United Kingdom 6 3.6%
7 Australia 5 3%
8 Italy 4 2.4%
9 France 3 1.8%
10 Germany 3 1.8%
11 Austria 2 1.2%
12 Japan 2 1.2%
13 Korea, Republic of 2 1.2%
14 Malaysia 2 1.2%
15 Singapore 2 1.2%
16 New Zealand 1 0.6%
17 Norway 1 0.6%