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 53 37.6%
2 United States 44 31.2%
3 Netherlands 15 10.6%
4 Mexico 8 5.7%
5 Sweden 6 4.3%
6 Germany 4 2.8%
7 Canada 3 2.1%
8 Slovakia 3 2.1%
9 Hong Kong 2 1.4%
10 Japan 1 0.7%
11 Korea, Republic of 1 0.7%
12 Russia 1 0.7%