BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 58 41.1%
2 China 46 32.6%
3 Germany 16 11.3%
4 Hong Kong 7 5%
5 Canada 4 2.8%
6 Netherlands 4 2.8%
7 Taiwan 2 1.4%
8 Portugal 1 0.7%
9 1 0.7%
10 Ireland 1 0.7%
11 Moldova, Republic of 1 0.7%