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 120 55.8%
2 China 24 11.2%
3 Germany 12 5.6%
4 Australia 11 5.1%
5 Korea, Republic of 11 5.1%
6 Japan 10 4.7%
7 Hong Kong 5 2.3%
8 Russia 4 1.9%
9 Senegal 4 1.9%
10 Singapore 3 1.4%
11 Switzerland 2 0.9%
12 Turkey 2 0.9%
13 Malaysia 2 0.9%
14 New Zealand 2 0.9%
15 Kyrgyzstan 1 0.5%
16 Canada 1 0.5%
17 Thailand 1 0.5%