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 213 70.3%
2 United States 39 12.9%
3 Japan 10 3.3%
4 Canada 8 2.6%
5 Germany 7 2.3%
6 Hong Kong 6 2%
7 United Kingdom 5 1.7%
8 Taiwan 4 1.3%
9 Singapore 2 0.7%
10 Switzerland 2 0.7%
11 Italy 1 0.3%
12 France 1 0.3%
13 Macao 1 0.3%
14 Malaysia 1 0.3%
15 New Zealand 1 0.3%
16 Portugal 1 0.3%
17 Russia 1 0.3%