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 144 50.2%
2 United States 48 16.7%
3 Germany 40 13.9%
4 Netherlands 28 9.8%
5 New Zealand 10 3.5%
6 Russia 4 1.4%
7 Singapore 4 1.4%
8 Ukraine 2 0.7%
9 Bulgaria 2 0.7%
10 Canada 2 0.7%
11 Hong Kong 2 0.7%
12 Finland 1 0.3%