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 142 50.4%
2 United States 66 23.4%
3 Germany 30 10.6%
4 Hong Kong 14 5%
5 Canada 10 3.5%
6 Russia 4 1.4%
7 Malaysia 3 1.1%
8 India 2 0.7%
9 Latvia 2 0.7%
10 Singapore 2 0.7%
11 Taiwan 2 0.7%
12 Portugal 2 0.7%
13 United Kingdom 1 0.4%
14 Moldova, Republic of 1 0.4%
15 Australia 1 0.4%