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 239 54.6%
2 United States 53 12.1%
3 Germany 39 8.9%
4 Netherlands 22 5%
5 Canada 21 4.8%
6 Hong Kong 16 3.7%
7 Japan 10 2.3%
8 Singapore 9 2.1%
9 Taiwan 8 1.8%
10 Macao 4 0.9%
11 Denmark 3 0.7%
12 Brazil 3 0.7%
13 Australia 2 0.5%
14 Russia 2 0.5%
15 Sweden 2 0.5%
16 Viet Nam 2 0.5%
17 Nigeria 1 0.2%
18 Romania 1 0.2%
19 Luxembourg 1 0.2%