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 110 46.2%
2 United States 39 16.4%
3 Brazil 19 8%
4 Germany 18 7.6%
5 Netherlands 14 5.9%
6 United Kingdom 9 3.8%
7 Taiwan 6 2.5%
8 Japan 5 2.1%
9 Russia 5 2.1%
10 Hong Kong 4 1.7%
11 France 3 1.3%
12 Canada 2 0.8%
13 Norway 2 0.8%
14 Portugal 1 0.4%
15 Thailand 1 0.4%