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 United States 215 53.1%
2 China 129 31.9%
3 Germany 31 7.7%
4 Canada 5 1.2%
5 Malaysia 4 1%
6 Netherlands 4 1%
7 Australia 3 0.7%
8 Morocco 2 0.5%
9 Russia 2 0.5%
10 Singapore 2 0.5%
11 Ukraine 2 0.5%
12 United Kingdom 2 0.5%
13 Sweden 1 0.2%
14 Mexico 1 0.2%
15 Brazil 1 0.2%
16 Hong Kong 1 0.2%