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 207 38.6%
2 China 168 31.3%
3 Germany 54 10.1%
4 Netherlands 52 9.7%
5 France 20 3.7%
6 Hong Kong 10 1.9%
7 Portugal 7 1.3%
8 Canada 6 1.1%
9 4 0.7%
10 Norway 3 0.6%
11 Taiwan 2 0.4%
12 United Kingdom 1 0.2%
13 Russia 1 0.2%
14 Brazil 1 0.2%