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 49 59%
2 Netherlands 14 16.9%
3 United States 9 10.8%
4 Germany 4 4.8%
5 Japan 2 2.4%
6 France 1 1.2%
7 Russia 1 1.2%
8 South Africa 1 1.2%
9 United Arab Emirates 1 1.2%
10 Canada 1 1.2%