BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 62 33.3%
2 United States 62 33.3%
3 Germany 15 8.1%
4 Hong Kong 6 3.2%
5 Australia 6 3.2%
6 Korea, Republic of 6 3.2%
7 Canada 5 2.7%
8 Portugal 5 2.7%
9 Russia 3 1.6%
10 Senegal 3 1.6%
11 3 1.6%
12 United Kingdom 3 1.6%
13 Malaysia 3 1.6%
14 Ireland 1 0.5%
15 Singapore 1 0.5%
16 South Africa 1 0.5%
17 Thailand 1 0.5%