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 111 78.7%
2 United States 11 7.8%
3 Netherlands 4 2.8%
4 Germany 3 2.1%
5 Japan 2 1.4%
6 Macao 2 1.4%
7 Singapore 2 1.4%
8 Australia 2 1.4%
9 United Kingdom 1 0.7%
10 Russia 1 0.7%
11 Malaysia 1 0.7%
12 Hong Kong 1 0.7%