BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 136 56.9%
2 United States 72 30.1%
3 Taiwan 10 4.2%
4 Germany 8 3.3%
5 Hong Kong 5 2.1%
6 Japan 1 0.4%
7 Netherlands 1 0.4%
8 Portugal 1 0.4%
9 South Africa 1 0.4%
10 Sweden 1 0.4%
11 United Kingdom 1 0.4%
12 France 1 0.4%
13 Australia 1 0.4%