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 167 61.9%
2 United States 45 16.7%
3 Germany 31 11.5%
4 Hong Kong 6 2.2%
5 Russia 4 1.5%
6 Canada 3 1.1%
7 Malaysia 3 1.1%
8 Austria 2 0.7%
9 Latvia 2 0.7%
10 Turkey 2 0.7%
11 Netherlands 2 0.7%
12 Ukraine 1 0.4%
13 Singapore 1 0.4%
14 Mauritius 1 0.4%