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 Germany 15 13.8%
4 Spain 9 8.3%
5 Hong Kong 5 4.6%
6 France 3 2.8%
7 Turkey 1 0.9%
8 United Kingdom 1 0.9%
9 Korea, Republic of 1 0.9%
10 Portugal 1 0.9%
11 Russia 1 0.9%