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 162 54.2%
2 United States 59 19.7%
3 Germany 52 17.4%
4 Taiwan 5 1.7%
5 Netherlands 5 1.7%
6 Korea, Republic of 4 1.3%
7 Malaysia 2 0.7%
8 Finland 2 0.7%
9 Brazil 2 0.7%
10 Singapore 2 0.7%
11 Albania 1 0.3%
12 Russia 1 0.3%
13 Canada 1 0.3%
14 Hong Kong 1 0.3%