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 93 55.7%
2 United States 32 19.2%
3 Germany 15 9%
4 Hong Kong 9 5.4%
5 Singapore 4 2.4%
6 United Kingdom 3 1.8%
7 3 1.8%
8 Malaysia 2 1.2%
9 New Zealand 1 0.6%
10 Portugal 1 0.6%
11 Canada 1 0.6%
12 Japan 1 0.6%
13 Macao 1 0.6%
14 Switzerland 1 0.6%