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 United States 51 31.1%
2 China 50 30.5%
3 Brazil 28 17.1%
4 Netherlands 13 7.9%
5 Germany 5 3%
6 Hong Kong 4 2.4%
7 Russia 4 2.4%
8 Taiwan 3 1.8%
9 United Kingdom 3 1.8%
10 Poland 1 0.6%
11 Portugal 1 0.6%
12 France 1 0.6%