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 402 55.6%
2 United States 245 33.9%
3 Germany 37 5.1%
4 Canada 12 1.7%
5 Taiwan 7 1%
6 Singapore 5 0.7%
7 Malaysia 5 0.7%
8 Hong Kong 3 0.4%
9 Netherlands 2 0.3%
10 Albania 1 0.1%
11 Australia 1 0.1%
12 Brazil 1 0.1%
13 Macao 1 0.1%
14 Turkey 1 0.1%