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 182 46.8%
2 United States 118 30.3%
3 Germany 38 9.8%
4 Canada 10 2.6%
5 Taiwan 10 2.6%
6 Singapore 7 1.8%
7 Malaysia 6 1.5%
8 Hong Kong 5 1.3%
9 India 5 1.3%
10 Australia 4 1%
11 Netherlands 2 0.5%
12 Brazil 1 0.3%
13 Ukraine 1 0.3%