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 634 84.8%
2 United States 61 8.2%
3 Germany 24 3.2%
4 Hong Kong 6 0.8%
5 Taiwan 6 0.8%
6 Ireland 5 0.7%
7 Malaysia 4 0.5%
8 Netherlands 2 0.3%
9 Bulgaria 2 0.3%
10 Argentina 1 0.1%
11 Australia 1 0.1%
12 Romania 1 0.1%
13 Russia 1 0.1%