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 85 58.6%
2 Netherlands 16 11%
3 United States 13 9%
4 Germany 10 6.9%
5 Hong Kong 8 5.5%
6 France 3 2.1%
7 Canada 3 2.1%
8 Korea, Republic of 3 2.1%
9 Israel 2 1.4%
10 Philippines 1 0.7%
11 United Kingdom 1 0.7%