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 242 61.3%
2 United States 57 14.4%
3 Germany 30 7.6%
4 Hong Kong 14 3.5%
5 Canada 13 3.3%
6 Taiwan 9 2.3%
7 Netherlands 9 2.3%
8 Singapore 5 1.3%
9 Macao 4 1%
10 Russia 3 0.8%
11 Serbia 2 0.5%
12 France 2 0.5%
13 Viet Nam 2 0.5%
14 Sweden 1 0.3%
15 Australia 1 0.3%
16 Brazil 1 0.3%