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 179 55.8%
2 United States 82 25.5%
3 Netherlands 22 6.9%
4 Germany 16 5%
5 Korea, Republic of 8 2.5%
6 France 6 1.9%
7 Philippines 2 0.6%
8 Russia 2 0.6%
9 United Kingdom 2 0.6%
10 Australia 1 0.3%
11 Croatia 1 0.3%