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 146 50.3%
2 United States 59 20.3%
3 Germany 43 14.8%
4 Canada 12 4.1%
5 Australia 7 2.4%
6 Italy 4 1.4%
7 Russia 3 1%
8 Ukraine 3 1%
9 Iraq 2 0.7%
10 Singapore 2 0.7%
11 Macao 2 0.7%
12 Bulgaria 2 0.7%
13 France 2 0.7%
14 Hong Kong 1 0.3%
15 Austria 1 0.3%
16 Malaysia 1 0.3%