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 170 75.9%
2 Germany 11 4.9%
3 United States 11 4.9%
4 Netherlands 9 4%
5 Hong Kong 8 3.6%
6 Taiwan 5 2.2%
7 Ukraine 3 1.3%
8 India 3 1.3%
9 United Kingdom 1 0.4%
10 Slovenia 1 0.4%
11 Switzerland 1 0.4%
12 Australia 1 0.4%