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 77 56.6%
2 United States 25 18.4%
3 Korea, Republic of 8 5.9%
4 Germany 7 5.1%
5 Taiwan 6 4.4%
6 Hong Kong 5 3.7%
7 Netherlands 3 2.2%
8 Poland 1 0.7%
9 Russia 1 0.7%
10 Malaysia 1 0.7%
11 Japan 1 0.7%
12 Turkey 1 0.7%