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 205 62.9%
2 United States 53 16.3%
3 Germany 40 12.3%
4 Taiwan 6 1.8%
5 Greece 4 1.2%
6 Japan 4 1.2%
7 3 0.9%
8 Malaysia 2 0.6%
9 Turkey 2 0.6%
10 Canada 2 0.6%
11 United Kingdom 1 0.3%
12 Netherlands 1 0.3%
13 Russia 1 0.3%
14 Australia 1 0.3%
15 France 1 0.3%