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 207 60%
2 United States 66 19.1%
3 Germany 40 11.6%
4 Hong Kong 8 2.3%
5 Netherlands 7 2%
6 United Kingdom 4 1.2%
7 Canada 3 0.9%
8 Australia 2 0.6%
9 Taiwan 2 0.6%
10 Turkey 2 0.6%
11 Ukraine 2 0.6%
12 Belarus 1 0.3%
13 Brazil 1 0.3%