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 197 59.3%
2 United States 54 16.3%
3 Germany 28 8.4%
4 Canada 24 7.2%
5 Ireland 5 1.5%
6 Hong Kong 4 1.2%
7 Singapore 4 1.2%
8 Thailand 3 0.9%
9 Ukraine 2 0.6%
10 Sweden 2 0.6%
11 Malaysia 2 0.6%
12 2 0.6%
13 France 2 0.6%
14 Japan 1 0.3%
15 Lao People's Democratic Republic 1 0.3%
16 Romania 1 0.3%