BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 77 52.4%
2 United States 25 17%
3 Netherlands 17 11.6%
4 Germany 12 8.2%
5 Hong Kong 4 2.7%
6 Canada 3 2%
7 United Kingdom 2 1.4%
8 Italy 2 1.4%
9 Japan 1 0.7%
10 New Zealand 1 0.7%
11 Nigeria 1 0.7%
12 Singapore 1 0.7%
13 Costa Rica 1 0.7%