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 United States 182 36.5%
2 China 163 32.7%
3 Netherlands 54 10.8%
4 Germany 44 8.8%
5 France 21 4.2%
6 Hong Kong 9 1.8%
7 Canada 8 1.6%
8 Portugal 7 1.4%
9 6 1.2%
10 Norway 3 0.6%
11 United Kingdom 1 0.2%