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 232 59.8%
2 United States 104 26.8%
3 Germany 34 8.8%
4 United Kingdom 4 1%
5 Hong Kong 2 0.5%
6 Japan 2 0.5%
7 Australia 2 0.5%
8 Singapore 2 0.5%
9 Taiwan 1 0.3%
10 Turkey 1 0.3%
11 Belgium 1 0.3%
12 Latvia 1 0.3%
13 Moldova, Republic of 1 0.3%
14 Russia 1 0.3%