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 177 57.1%
2 United States 67 21.6%
3 Germany 35 11.3%
4 Canada 12 3.9%
5 Malaysia 11 3.5%
6 Hong Kong 2 0.6%
7 Ireland 1 0.3%
8 Japan 1 0.3%
9 Moldova, Republic of 1 0.3%
10 New Zealand 1 0.3%
11 Portugal 1 0.3%
12 Austria 1 0.3%