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 190 64.4%
2 United States 47 15.9%
3 Germany 26 8.8%
4 Australia 7 2.4%
5 Taiwan 5 1.7%
6 Russia 4 1.4%
7 Singapore 4 1.4%
8 Hong Kong 4 1.4%
9 Japan 2 0.7%
10 Canada 2 0.7%
11 United Kingdom 2 0.7%
12 Spain 1 0.3%
13 Malaysia 1 0.3%