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 268 53%
2 United States 149 29.4%
3 Germany 30 5.9%
4 Hong Kong 17 3.4%
5 Russia 12 2.4%
6 Taiwan 9 1.8%
7 Malaysia 5 1%
8 Australia 5 1%
9 Singapore 4 0.8%
10 Netherlands 3 0.6%
11 Philippines 1 0.2%
12 Macao 1 0.2%
13 Belgium 1 0.2%
14 Colombia 1 0.2%