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 157 52%
2 United States 60 19.9%
3 Germany 35 11.6%
4 Canada 20 6.6%
5 Australia 7 2.3%
6 Hong Kong 6 2%
7 Taiwan 5 1.7%
8 Japan 3 1%
9 Netherlands 3 1%
10 Korea, Republic of 2 0.7%
11 Singapore 2 0.7%
12 New Zealand 1 0.3%
13 Russia 1 0.3%