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 170 48.4%
2 United States 75 21.4%
3 Germany 39 11.1%
4 Netherlands 21 6%
5 Hong Kong 9 2.6%
6 Malaysia 6 1.7%
7 Taiwan 6 1.7%
8 United Kingdom 5 1.4%
9 United Arab Emirates 4 1.1%
10 Ukraine 3 0.9%
11 Canada 3 0.9%
12 Japan 3 0.9%
13 Macao 2 0.6%
14 Romania 2 0.6%
15 Russia 2 0.6%
16 Thailand 1 0.3%