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 60 36.1%
2 United States 56 33.7%
3 Netherlands 21 12.7%
4 Germany 6 3.6%
5 Hong Kong 4 2.4%
6 Korea, Republic of 4 2.4%
7 Viet Nam 4 2.4%
8 Taiwan 4 2.4%
9 Australia 2 1.2%
10 1 0.6%
11 United Kingdom 1 0.6%
12 New Zealand 1 0.6%
13 Portugal 1 0.6%
14 Spain 1 0.6%