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 178 59.7%
2 United States 68 22.8%
3 Germany 34 11.4%
4 Hong Kong 5 1.7%
5 United Kingdom 4 1.3%
6 Russia 2 0.7%
7 Sweden 2 0.7%
8 1 0.3%
9 Australia 1 0.3%
10 India 1 0.3%
11 Japan 1 0.3%
12 Moldova, Republic of 1 0.3%