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 72 50.7%
2 United States 22 15.5%
3 Germany 11 7.7%
4 France 10 7%
5 Netherlands 9 6.3%
6 Taiwan 9 6.3%
7 United Kingdom 2 1.4%
8 Macao 2 1.4%
9 Moldova, Republic of 2 1.4%
10 Canada 2 1.4%
11 Lao People's Democratic Republic 1 0.7%