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 United States 178 43.6%
2 China 169 41.4%
3 Germany 33 8.1%
4 Netherlands 5 1.2%
5 New Zealand 5 1.2%
6 Taiwan 5 1.2%
7 Hong Kong 4 1%
8 India 3 0.7%
9 Japan 3 0.7%
10 Malaysia 1 0.2%
11 United Kingdom 1 0.2%
12 Romania 1 0.2%