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 156 40.2%
2 United States 140 36.1%
3 Germany 42 10.8%
4 Hong Kong 8 2.1%
5 Canada 8 2.1%
6 Japan 6 1.5%
7 Australia 5 1.3%
8 United Kingdom 5 1.3%
9 Singapore 3 0.8%
10 Netherlands 3 0.8%
11 France 3 0.8%
12 Brazil 2 0.5%
13 Malaysia 2 0.5%
14 Italy 2 0.5%
15 Russia 2 0.5%
16 Saudi Arabia 1 0.3%