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 131 77.1%
2 Hong Kong 16 9.4%
3 United States 7 4.1%
4 Germany 5 2.9%
5 Netherlands 4 2.4%
6 Russia 2 1.2%
7 Australia 2 1.2%
8 Denmark 1 0.6%
9 Japan 1 0.6%
10 Venezuela, Bolivarian Republic of 1 0.6%