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 9 25%
2 China 5 13.9%
3 Hong Kong 5 13.9%
4 Singapore 4 11.1%
5 Switzerland 2 5.6%
6 Germany 2 5.6%
7 Korea, Republic of 2 5.6%
8 Malaysia 2 5.6%
9 New Zealand 1 2.8%
10 Russia 1 2.8%
11 Japan 1 2.8%
12 Taiwan 1 2.8%
13 Canada 1 2.8%