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 177 63.4%
2 United States 48 17.2%
3 Germany 34 12.2%
4 Sweden 4 1.4%
5 Taiwan 3 1.1%
6 Hong Kong 3 1.1%
7 Korea, Republic of 2 0.7%
8 Qatar 2 0.7%
9 United Kingdom 2 0.7%
10 Australia 2 0.7%
11 Brazil 1 0.4%
12 Russia 1 0.4%