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 244 63.4%
2 United States 65 16.9%
3 Germany 30 7.8%
4 Canada 14 3.6%
5 Hong Kong 8 2.1%
6 Singapore 5 1.3%
7 Australia 4 1%
8 Taiwan 3 0.8%
9 Belgium 2 0.5%
10 Switzerland 2 0.5%
11 India 2 0.5%
12 Italy 2 0.5%
13 Luxembourg 2 0.5%
14 Malaysia 1 0.3%
15 New Zealand 1 0.3%