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 45 26.5%
2 Germany 33 19.4%
3 United States 32 18.8%
4 Netherlands 23 13.5%
5 Ireland 8 4.7%
6 Russia 7 4.1%
7 Japan 5 2.9%
8 Hong Kong 5 2.9%
9 India 4 2.4%
10 Korea, Republic of 4 2.4%
11 Romania 2 1.2%
12 Ukraine 1 0.6%
13 United Arab Emirates 1 0.6%