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 13 27.7%
2 China 10 21.3%
3 Singapore 8 17%
4 Malaysia 5 10.6%
5 Germany 2 4.3%
6 Japan 2 4.3%
7 Canada 2 4.3%
8 Australia 1 2.1%
9 New Zealand 1 2.1%
10 Russia 1 2.1%
11 Spain 1 2.1%
12 United Kingdom 1 2.1%