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 39 54.9%
2 United States 12 16.9%
3 Netherlands 5 7%
4 Japan 4 5.6%
5 Germany 3 4.2%
6 Malaysia 2 2.8%
7 United Kingdom 2 2.8%
8 Hong Kong 1 1.4%
9 France 1 1.4%
10 Korea, Republic of 1 1.4%
11 Taiwan 1 1.4%