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 187 64.7%
2 United States 44 15.2%
3 Germany 38 13.1%
4 Hong Kong 5 1.7%
5 Australia 4 1.4%
6 United Kingdom 3 1%
7 Netherlands 2 0.7%
8 Singapore 2 0.7%
9 Switzerland 1 0.3%
10 Turkey 1 0.3%
11 Russia 1 0.3%
12 Moldova, Republic of 1 0.3%