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 236 40.8%
2 China 180 31.1%
3 Netherlands 49 8.5%
4 Germany 42 7.3%
5 France 25 4.3%
6 Hong Kong 12 2.1%
7 Portugal 7 1.2%
8 Canada 6 1%
9 5 0.9%
10 Taiwan 4 0.7%
11 Ukraine 4 0.7%
12 Norway 3 0.5%
13 Singapore 2 0.3%
14 Spain 1 0.2%
15 Tunisia 1 0.2%
16 Japan 1 0.2%