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 158 62.7%
2 United States 59 23.4%
3 Germany 10 4%
4 Canada 7 2.8%
5 Netherlands 6 2.4%
6 Sweden 3 1.2%
7 Hong Kong 3 1.2%
8 Japan 2 0.8%
9 Kazakhstan 2 0.8%
10 Korea, Republic of 1 0.4%
11 France 1 0.4%