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 51 45.1%
2 United States 27 23.9%
3 Netherlands 13 11.5%
4 Germany 7 6.2%
5 Hong Kong 5 4.4%
6 Taiwan 4 3.5%
7 Turkey 2 1.8%
8 United Kingdom 1 0.9%
9 Canada 1 0.9%
10 Portugal 1 0.9%
11 Russia 1 0.9%