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 62 46.3%
2 United States 27 20.1%
3 Netherlands 22 16.4%
4 Germany 7 5.2%
5 France 6 4.5%
6 Hong Kong 4 3%
7 Taiwan 3 2.2%
8 United Kingdom 1 0.7%
9 Portugal 1 0.7%
10 Russia 1 0.7%