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 191 60.4%
2 United States 52 16.5%
3 Germany 40 12.7%
4 Hong Kong 6 1.9%
5 Russia 5 1.6%
6 Australia 4 1.3%
7 Canada 4 1.3%
8 Czech Republic 2 0.6%
9 Taiwan 2 0.6%
10 Viet Nam 2 0.6%
11 Nigeria 2 0.6%
12 United Kingdom 2 0.6%
13 Turkey 1 0.3%
14 Ukraine 1 0.3%
15 Israel 1 0.3%
16 Macao 1 0.3%