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 166 65.6%
2 Germany 30 11.9%
3 United States 20 7.9%
4 Australia 10 4%
5 Singapore 6 2.4%
6 United Kingdom 6 2.4%
7 Netherlands 3 1.2%
8 Macao 3 1.2%
9 Korea, Republic of 2 0.8%
10 Hong Kong 2 0.8%
11 Ireland 2 0.8%
12 Japan 1 0.4%
13 Latvia 1 0.4%
14 Moldova, Republic of 1 0.4%