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 90 60%
2 United States 13 8.7%
3 Germany 8 5.3%
4 Hong Kong 5 3.3%
5 Macao 5 3.3%
6 Netherlands 5 3.3%
7 Canada 5 3.3%
8 Italy 4 2.7%
9 Japan 3 2%
10 Australia 3 2%
11 Austria 3 2%
12 Brazil 2 1.3%
13 Ghana 1 0.7%
14 Hungary 1 0.7%
15 Singapore 1 0.7%
16 Venezuela, Bolivarian Republic of 1 0.7%