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 China 67 46.2%
2 United States 22 15.2%
3 France 19 13.1%
4 Netherlands 18 12.4%
5 Germany 7 4.8%
6 Mexico 3 2.1%
7 Canada 2 1.4%
8 Czech Republic 2 1.4%
9 Hong Kong 2 1.4%
10 United Kingdom 2 1.4%
11 Japan 1 0.7%