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 168 69.1%
2 United States 33 13.6%
3 Germany 25 10.3%
4 Taiwan 3 1.2%
5 Korea, Republic of 3 1.2%
6 Macao 3 1.2%
7 Netherlands 2 0.8%
8 New Zealand 2 0.8%
9 Bulgaria 2 0.8%
10 Hong Kong 2 0.8%