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 53.7%
2 United States 75 21.2%
3 Germany 34 9.6%
4 Canada 19 5.4%
5 Ireland 9 2.5%
6 Taiwan 6 1.7%
7 Malaysia 5 1.4%
8 Singapore 4 1.1%
9 Russia 3 0.8%
10 Netherlands 2 0.6%
11 Hong Kong 2 0.6%
12 France 2 0.6%
13 Turkey 2 0.6%
14 United Kingdom 1 0.3%