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 172 48.9%
2 United States 108 30.7%
3 Germany 34 9.7%
4 Canada 13 3.7%
5 New Zealand 7 2%
6 Russia 5 1.4%
7 Hong Kong 5 1.4%
8 Singapore 2 0.6%
9 Australia 2 0.6%
10 Netherlands 2 0.6%
11 Sweden 1 0.3%
12 India 1 0.3%