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 132 50.2%
2 Germany 40 15.2%
3 United States 40 15.2%
4 Netherlands 19 7.2%
5 Hong Kong 9 3.4%
6 Malaysia 5 1.9%
7 Taiwan 5 1.9%
8 Russia 4 1.5%
9 Ireland 4 1.5%
10 Canada 2 0.8%
11 Switzerland 2 0.8%
12 India 1 0.4%