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 34 30.1%
2 China 25 22.1%
3 Germany 18 15.9%
4 Netherlands 16 14.2%
5 France 11 9.7%
6 Hong Kong 2 1.8%
7 Czech Republic 2 1.8%
8 Brazil 2 1.8%
9 Canada 1 0.9%
10 Norway 1 0.9%
11 South Africa 1 0.9%