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 173 53.6%
2 United States 85 26.3%
3 Germany 36 11.1%
4 Taiwan 7 2.2%
5 Hong Kong 5 1.5%
6 United Kingdom 4 1.2%
7 Russia 4 1.2%
8 Netherlands 3 0.9%
9 France 2 0.6%
10 Japan 2 0.6%
11 Macao 1 0.3%
12 Australia 1 0.3%