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 199 60.1%
2 United States 65 19.6%
3 Germany 26 7.9%
4 Hong Kong 17 5.1%
5 Australia 5 1.5%
6 New Zealand 5 1.5%
7 Nigeria 2 0.6%
8 Taiwan 2 0.6%
9 Turkey 2 0.6%
10 Bulgaria 2 0.6%
11 France 2 0.6%
12 Malaysia 2 0.6%
13 Italy 1 0.3%
14 Chile 1 0.3%