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 185 63.8%
2 United States 39 13.4%
3 Germany 34 11.7%
4 Australia 7 2.4%
5 Canada 5 1.7%
6 Hong Kong 3 1%
7 Romania 3 1%
8 Russia 2 0.7%
9 Serbia 2 0.7%
10 Singapore 2 0.7%
11 Japan 2 0.7%
12 Netherlands 2 0.7%
13 Brazil 1 0.3%
14 Macao 1 0.3%
15 Taiwan 1 0.3%
16 Thailand 1 0.3%