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 137 56.6%
2 United States 28 11.6%
3 Netherlands 26 10.7%
4 Germany 15 6.2%
5 Canada 7 2.9%
6 Taiwan 7 2.9%
7 Portugal 6 2.5%
8 Hong Kong 6 2.5%
9 Malaysia 2 0.8%
10 Norway 2 0.8%
11 Indonesia 1 0.4%
12 Estonia 1 0.4%
13 France 1 0.4%
14 Russia 1 0.4%
15 Sweden 1 0.4%
16 Ukraine 1 0.4%