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 165 55%
2 United States 49 16.3%
3 Germany 31 10.3%
4 Canada 15 5%
5 Netherlands 14 4.7%
6 Hong Kong 10 3.3%
7 Australia 4 1.3%
8 Japan 2 0.7%
9 Korea, Republic of 2 0.7%
10 Macao 2 0.7%
11 New Zealand 2 0.7%
12 Tunisia 2 0.7%
13 United Kingdom 2 0.7%