BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 146 66.1%
2 United States 40 18.1%
3 Germany 8 3.6%
4 Netherlands 7 3.2%
5 United Kingdom 5 2.3%
6 Korea, Republic of 5 2.3%
7 Hong Kong 4 1.8%
8 Indonesia 1 0.5%
9 France 1 0.5%
10 Portugal 1 0.5%
11 Switzerland 1 0.5%
12 Thailand 1 0.5%
13 Australia 1 0.5%