BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 28 37.3%
2 Germany 10 13.3%
3 Netherlands 10 13.3%
4 United States 9 12%
5 United Kingdom 4 5.3%
6 Brazil 3 4%
7 Hong Kong 3 4%
8 Japan 2 2.7%
9 Taiwan 2 2.7%
10 Ukraine 1 1.3%
11 Russia 1 1.3%
12 India 1 1.3%
13 France 1 1.3%