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 156 67.5%
2 United States 37 16%
3 Germany 17 7.4%
4 Macao 8 3.5%
5 Hong Kong 3 1.3%
6 Netherlands 2 0.9%
7 Saudi Arabia 2 0.9%
8 Australia 2 0.9%
9 Korea, Republic of 2 0.9%
10 India 1 0.4%
11 Czech Republic 1 0.4%