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 United States 217 44.7%
2 China 107 22.1%
3 Netherlands 47 9.7%
4 Germany 43 8.9%
5 France 25 5.2%
6 Hong Kong 13 2.7%
7 Portugal 7 1.4%
8 Canada 6 1.2%
9 Taiwan 4 0.8%
10 4 0.8%
11 Norway 3 0.6%
12 Ukraine 3 0.6%
13 Russia 3 0.6%
14 Belgium 2 0.4%
15 Sweden 1 0.2%