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 43 39.4%
2 United States 29 26.6%
3 Netherlands 10 9.2%
4 Germany 7 6.4%
5 Hong Kong 6 5.5%
6 Taiwan 5 4.6%
7 Japan 3 2.8%
8 Canada 2 1.8%
9 Portugal 1 0.9%
10 Russia 1 0.9%
11 India 1 0.9%
12 United Kingdom 1 0.9%