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 110 67.1%
2 Netherlands 15 9.1%
3 Germany 12 7.3%
4 United States 12 7.3%
5 France 7 4.3%
6 Malaysia 3 1.8%
7 Taiwan 2 1.2%
8 Moldova, Republic of 1 0.6%
9 Switzerland 1 0.6%
10 Hong Kong 1 0.6%