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 83 48.3%
2 United States 45 26.2%
3 Germany 15 8.7%
4 Netherlands 13 7.6%
5 Hong Kong 6 3.5%
6 Canada 3 1.7%
7 France 2 1.2%
8 Australia 1 0.6%
9 Portugal 1 0.6%
10 Singapore 1 0.6%
11 United Kingdom 1 0.6%
12 Japan 1 0.6%