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 49 44.5%
2 China 25 22.7%
3 Netherlands 14 12.7%
4 Germany 7 6.4%
5 Hong Kong 5 4.5%
6 Taiwan 3 2.7%
7 United Kingdom 1 0.9%
8 Malaysia 1 0.9%
9 France 1 0.9%
10 Portugal 1 0.9%
11 Russia 1 0.9%
12 Spain 1 0.9%
13 Sweden 1 0.9%