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 22 28.2%
2 Netherlands 14 17.9%
3 Germany 12 15.4%
4 United States 11 14.1%
5 United Kingdom 5 6.4%
6 Taiwan 4 5.1%
7 Hong Kong 3 3.8%
8 France 2 2.6%
9 Russia 2 2.6%
10 Switzerland 1 1.3%
11 Ukraine 1 1.3%
12 India 1 1.3%