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 174 60.4%
2 United States 49 17%
3 Germany 30 10.4%
4 Hong Kong 13 4.5%
5 Japan 4 1.4%
6 Taiwan 4 1.4%
7 Canada 3 1%
8 Singapore 3 1%
9 France 2 0.7%
10 Australia 2 0.7%
11 1 0.3%
12 Korea, Republic of 1 0.3%
13 Netherlands 1 0.3%
14 Ukraine 1 0.3%