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 154 68.8%
2 United States 30 13.4%
3 Germany 14 6.2%
4 Canada 8 3.6%
5 Australia 5 2.2%
6 Hong Kong 3 1.3%
7 Kazakhstan 3 1.3%
8 Korea, Republic of 2 0.9%
9 Macao 2 0.9%
10 Brazil 2 0.9%
11 France 1 0.4%