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 21 38.2%
2 Germany 11 20%
3 China 9 16.4%
4 France 4 7.3%
5 Romania 3 5.5%
6 Mexico 2 3.6%
7 Indonesia 1 1.8%
8 Colombia 1 1.8%
9 Austria 1 1.8%
10 Brazil 1 1.8%
11 Bulgaria 1 1.8%