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 43 51.2%
2 United States 11 13.1%
3 Netherlands 10 11.9%
4 Germany 8 9.5%
5 France 4 4.8%
6 Sweden 2 2.4%
7 Malaysia 2 2.4%
8 Mauritius 1 1.2%
9 Moldova, Republic of 1 1.2%
10 Hong Kong 1 1.2%
11 Japan 1 1.2%