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 147 59%
2 United States 42 16.9%
3 Germany 25 10%
4 Hong Kong 15 6%
5 Italy 3 1.2%
6 Ethiopia 3 1.2%
7 Macao 3 1.2%
8 Korea, Republic of 2 0.8%
9 Azerbaijan 2 0.8%
10 Moldova, Republic of 2 0.8%
11 Romania 2 0.8%
12 Taiwan 2 0.8%
13 Malaysia 1 0.4%