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 156 43.8%
2 United States 125 35.1%
3 Germany 46 12.9%
4 United Kingdom 4 1.1%
5 Australia 3 0.8%
6 Canada 3 0.8%
7 Kazakhstan 3 0.8%
8 Malaysia 2 0.6%
9 Netherlands 2 0.6%
10 Singapore 2 0.6%
11 Colombia 2 0.6%
12 Georgia 2 0.6%
13 Ukraine 2 0.6%
14 Hong Kong 2 0.6%
15 Japan 1 0.3%
16 Taiwan 1 0.3%