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 69 38.5%
2 United States 55 30.7%
3 Germany 13 7.3%
4 Netherlands 12 6.7%
5 Canada 10 5.6%
6 Hong Kong 7 3.9%
7 New Zealand 2 1.1%
8 United Kingdom 2 1.1%
9 2 1.1%
10 Singapore 2 1.1%
11 Spain 1 0.6%
12 Australia 1 0.6%
13 Portugal 1 0.6%
14 Russia 1 0.6%
15 Malaysia 1 0.6%