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 164 52.9%
2 United States 56 18.1%
3 Germany 31 10%
4 Canada 20 6.5%
5 Hong Kong 7 2.3%
6 Thailand 7 2.3%
7 Singapore 7 2.3%
8 Russia 3 1%
9 Taiwan 3 1%
10 Moldova, Republic of 3 1%
11 Netherlands 2 0.6%
12 Australia 2 0.6%
13 Czech Republic 2 0.6%
14 United Kingdom 2 0.6%
15 Switzerland 1 0.3%