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 195 64.4%
2 United States 51 16.8%
3 Germany 37 12.2%
4 Taiwan 4 1.3%
5 Ireland 3 1%
6 Sweden 2 0.7%
7 Switzerland 2 0.7%
8 Hong Kong 2 0.7%
9 Indonesia 2 0.7%
10 France 2 0.7%
11 Australia 2 0.7%
12 Russia 1 0.3%