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 159 50.6%
2 United States 69 22%
3 Germany 40 12.7%
4 Canada 9 2.9%
5 Netherlands 7 2.2%
6 United Kingdom 6 1.9%
7 Singapore 4 1.3%
8 Taiwan 4 1.3%
9 Japan 4 1.3%
10 New Zealand 3 1%
11 Australia 2 0.6%
12 Hong Kong 2 0.6%
13 Thailand 2 0.6%
14 Spain 2 0.6%
15 Macao 1 0.3%