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 169 52.3%
2 United States 89 27.6%
3 Germany 36 11.1%
4 Taiwan 6 1.9%
5 United Kingdom 4 1.2%
6 Hong Kong 4 1.2%
7 Netherlands 4 1.2%
8 Japan 3 0.9%
9 Russia 2 0.6%
10 Turkey 2 0.6%
11 Ukraine 1 0.3%
12 France 1 0.3%
13 Georgia 1 0.3%
14 Macao 1 0.3%