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 United States 37 28.9%
2 China 25 19.5%
3 Netherlands 21 16.4%
4 Germany 18 14.1%
5 France 8 6.2%
6 Hong Kong 6 4.7%
7 Taiwan 5 3.9%
8 Macao 4 3.1%
9 Norway 1 0.8%
10 Canada 1 0.8%
11 Czech Republic 1 0.8%
12 Ukraine 1 0.8%