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 38 33.3%
2 United States 38 33.3%
3 Netherlands 16 14%
4 Germany 8 7%
5 Hong Kong 6 5.3%
6 Taiwan 2 1.8%
7 United Kingdom 2 1.8%
8 Brazil 1 0.9%
9 Ukraine 1 0.9%
10 Portugal 1 0.9%
11 Czech Republic 1 0.9%