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 81 50.9%
2 United States 48 30.2%
3 Canada 8 5%
4 Germany 8 5%
5 Korea, Republic of 3 1.9%
6 Hong Kong 2 1.3%
7 Netherlands 2 1.3%
8 Singapore 2 1.3%
9 Switzerland 2 1.3%
10 Ukraine 2 1.3%
11 Macao 1 0.6%