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 138 48.1%
2 United States 81 28.2%
3 Germany 27 9.4%
4 India 13 4.5%
5 Japan 5 1.7%
6 Hong Kong 5 1.7%
7 Russia 4 1.4%
8 Bulgaria 3 1%
9 Mexico 3 1%
10 United Kingdom 2 0.7%
11 Australia 2 0.7%
12 Macao 2 0.7%
13 Sweden 1 0.3%
14 Turkey 1 0.3%