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 149 47.9%
2 United States 63 20.3%
3 Germany 29 9.3%
4 Taiwan 23 7.4%
5 Hong Kong 9 2.9%
6 France 7 2.3%
7 Malaysia 7 2.3%
8 Canada 5 1.6%
9 Italy 4 1.3%
10 Australia 3 1%
11 New Zealand 3 1%
12 Luxembourg 3 1%
13 Finland 2 0.6%
14 Kazakhstan 2 0.6%
15 Macao 1 0.3%
16 Singapore 1 0.3%