BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 79 50.3%
2 United States 41 26.1%
3 Germany 9 5.7%
4 Hong Kong 7 4.5%
5 Canada 6 3.8%
6 Portugal 4 2.5%
7 United Kingdom 4 2.5%
8 Taiwan 2 1.3%
9 Russia 1 0.6%
10 Australia 1 0.6%
11 India 1 0.6%
12 Malaysia 1 0.6%
13 New Zealand 1 0.6%