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 United States 24 34.3%
2 China 19 27.1%
3 India 10 14.3%
4 Peru 4 5.7%
5 Netherlands 3 4.3%
6 France 3 4.3%
7 Hong Kong 2 2.9%
8 United Kingdom 2 2.9%
9 Estonia 1 1.4%
10 Russia 1 1.4%
11 South Africa 1 1.4%