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 194 66.4%
2 Germany 45 15.4%
3 United States 36 12.3%
4 United Kingdom 5 1.7%
5 Moldova, Republic of 4 1.4%
6 Netherlands 2 0.7%
7 Singapore 2 0.7%
8 Norway 1 0.3%
9 Russia 1 0.3%
10 Hong Kong 1 0.3%
11 Israel 1 0.3%