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 United States 332 51.5%
2 China 217 33.6%
3 Germany 35 5.4%
4 Canada 18 2.8%
5 Taiwan 11 1.7%
6 Malaysia 9 1.4%
7 Russia 7 1.1%
8 Netherlands 5 0.8%
9 Australia 3 0.5%
10 Hungary 2 0.3%
11 United Kingdom 2 0.3%
12 Turkey 1 0.2%
13 Hong Kong 1 0.2%
14 1 0.2%
15 Denmark 1 0.2%