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 167 48%
2 United States 88 25.3%
3 Germany 32 9.2%
4 Netherlands 24 6.9%
5 Hong Kong 8 2.3%
6 Japan 5 1.4%
7 Taiwan 5 1.4%
8 United Kingdom 5 1.4%
9 Turkey 3 0.9%
10 Thailand 2 0.6%
11 Singapore 2 0.6%
12 Sweden 2 0.6%
13 France 2 0.6%
14 Macao 1 0.3%
15 Malaysia 1 0.3%
16 Moldova, Republic of 1 0.3%