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 1088 89.5%
2 United States 44 3.6%
3 Germany 41 3.4%
4 Canada 9 0.7%
5 Taiwan 9 0.7%
6 Viet Nam 4 0.3%
7 Japan 4 0.3%
8 Ireland 3 0.2%
9 Russia 3 0.2%
10 United Kingdom 2 0.2%
11 Luxembourg 2 0.2%
12 Moldova, Republic of 2 0.2%
13 India 1 0.1%
14 Australia 1 0.1%
15 France 1 0.1%
16 Singapore 1 0.1%