BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 222 70.5%
2 United States 62 19.7%
3 Germany 9 2.9%
4 Hong Kong 7 2.2%
5 Netherlands 5 1.6%
6 Canada 3 1%
7 United Kingdom 3 1%
8 Taiwan 2 0.6%
9 Russia 1 0.3%
10 Moldova, Republic of 1 0.3%