BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 145 52.7%
2 United States 55 20%
3 Germany 38 13.8%
4 Canada 17 6.2%
5 Netherlands 4 1.5%
6 Russia 3 1.1%
7 Hong Kong 3 1.1%
8 Armenia 3 1.1%
9 Uzbekistan 2 0.7%
10 Singapore 2 0.7%
11 Sweden 2 0.7%
12 Mauritius 1 0.4%