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 53.5%
2 United States 51 17.7%
3 Germany 44 15.3%
4 Canada 10 3.5%
5 Hong Kong 9 3.1%
6 Australia 7 2.4%
7 Taiwan 4 1.4%
8 Japan 4 1.4%
9 Netherlands 2 0.7%
10 Ukraine 2 0.7%
11 New Zealand 1 0.3%