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 56 37.8%
2 United States 38 25.7%
3 Germany 13 8.8%
4 France 9 6.1%
5 Canada 8 5.4%
6 Hong Kong 6 4.1%
7 Spain 3 2%
8 Taiwan 3 2%
9 Malaysia 2 1.4%
10 United Kingdom 2 1.4%
11 Pakistan 1 0.7%
12 Portugal 1 0.7%
13 Ukraine 1 0.7%
14 Italy 1 0.7%
15 Japan 1 0.7%
16 Kazakhstan 1 0.7%
17 1 0.7%
18 Australia 1 0.7%