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 228 65.1%
2 United States 66 18.9%
3 Germany 32 9.1%
4 Taiwan 9 2.6%
5 Hong Kong 5 1.4%
6 Canada 3 0.9%
7 Australia 2 0.6%
8 France 1 0.3%
9 Korea, Republic of 1 0.3%
10 Macao 1 0.3%
11 United Arab Emirates 1 0.3%
12 United Kingdom 1 0.3%