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 United States 40 51.3%
2 China 13 16.7%
3 Germany 4 5.1%
4 Hong Kong 3 3.8%
5 France 3 3.8%
6 Norway 3 3.8%
7 Singapore 3 3.8%
8 Australia 2 2.6%
9 Japan 2 2.6%
10 Malaysia 2 2.6%
11 Mexico 1 1.3%
12 New Zealand 1 1.3%
13 Canada 1 1.3%