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 67 41.1%
2 United States 52 31.9%
3 Germany 12 7.4%
4 Netherlands 10 6.1%
5 Hong Kong 7 4.3%
6 Canada 5 3.1%
7 Viet Nam 3 1.8%
8 United Kingdom 2 1.2%
9 Norway 2 1.2%
10 Portugal 1 0.6%
11 Australia 1 0.6%
12 Estonia 1 0.6%