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 206 55.8%
2 United States 105 28.5%
3 Germany 36 9.8%
4 Canada 6 1.6%
5 Hong Kong 4 1.1%
6 Ireland 2 0.5%
7 Japan 2 0.5%
8 Romania 2 0.5%
9 Ukraine 2 0.5%
10 United Kingdom 1 0.3%
11 Australia 1 0.3%
12 Korea, Republic of 1 0.3%
13 Norway 1 0.3%