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 71 62.3%
2 United States 13 11.4%
3 Netherlands 11 9.6%
4 Germany 6 5.3%
5 Hong Kong 5 4.4%
6 Taiwan 3 2.6%
7 Russia 2 1.8%
8 United Kingdom 1 0.9%
9 Portugal 1 0.9%
10 India 1 0.9%