BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 52 55.3%
2 United States 23 24.5%
3 Netherlands 7 7.4%
4 Germany 3 3.2%
5 Nigeria 2 2.1%
6 Brazil 2 2.1%
7 Ukraine 1 1.1%
8 United Kingdom 1 1.1%
9 Italy 1 1.1%
10 Czech Republic 1 1.1%
11 France 1 1.1%