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 40 34.5%
2 Netherlands 23 19.8%
3 Germany 18 15.5%
4 United States 16 13.8%
5 United Kingdom 4 3.4%
6 Korea, Republic of 4 3.4%
7 France 3 2.6%
8 Canada 2 1.7%
9 Hong Kong 1 0.9%
10 Norway 1 0.9%
11 Russia 1 0.9%
12 Spain 1 0.9%
13 Sweden 1 0.9%
14 Tunisia 1 0.9%