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 71 46.7%
2 United States 33 21.7%
3 Netherlands 13 8.6%
4 Taiwan 10 6.6%
5 Germany 7 4.6%
6 Hong Kong 5 3.3%
7 United Kingdom 3 2%
8 New Zealand 2 1.3%
9 Australia 2 1.3%
10 Denmark 2 1.3%
11 Colombia 1 0.7%
12 Portugal 1 0.7%
13 Russia 1 0.7%
14 Sweden 1 0.7%