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 54%
2 United States 56 15.9%
3 Germany 38 10.8%
4 Netherlands 29 8.2%
5 Taiwan 17 4.8%
6 Canada 6 1.7%
7 Hong Kong 5 1.4%
8 Russia 3 0.9%
9 Singapore 2 0.6%
10 Ukraine 2 0.6%
11 United Kingdom 1 0.3%
12 Japan 1 0.3%
13 Australia 1 0.3%
14 Romania 1 0.3%