BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 190 65.3%
2 United States 48 16.5%
3 Germany 39 13.4%
4 Russia 3 1%
5 Canada 3 1%
6 France 2 0.7%
7 Hong Kong 2 0.7%
8 India 1 0.3%
9 Moldova, Republic of 1 0.3%
10 Turkey 1 0.3%
11 United Arab Emirates 1 0.3%