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 64 39.8%
2 United States 49 30.4%
3 Netherlands 11 6.8%
4 Korea, Republic of 8 5%
5 Australia 8 5%
6 Senegal 7 4.3%
7 Germany 7 4.3%
8 France 2 1.2%
9 Macao 2 1.2%
10 Russia 1 0.6%
11 Italy 1 0.6%
12 Japan 1 0.6%