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 204 62.2%
2 Germany 43 13.1%
3 United States 43 13.1%
4 Malaysia 10 3%
5 Hong Kong 8 2.4%
6 Canada 7 2.1%
7 Australia 2 0.6%
8 Ireland 2 0.6%
9 Japan 2 0.6%
10 Netherlands 2 0.6%
11 Norway 2 0.6%
12 Singapore 2 0.6%
13 Moldova, Republic of 1 0.3%