BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 16 32%
2 China 13 26%
3 Germany 3 6%
4 Taiwan 3 6%
5 United Kingdom 3 6%
6 Australia 2 4%
7 Canada 2 4%
8 New Zealand 2 4%
9 Singapore 1 2%
10 Hong Kong 1 2%
11 Italy 1 2%
12 Japan 1 2%
13 Korea, Republic of 1 2%
14 Netherlands 1 2%