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 166 57.6%
2 Germany 44 15.3%
3 United States 44 15.3%
4 Canada 8 2.8%
5 Netherlands 7 2.4%
6 Taiwan 5 1.7%
7 Russia 4 1.4%
8 Malaysia 3 1%
9 New Zealand 2 0.7%
10 Ireland 2 0.7%
11 Hong Kong 1 0.3%
12 France 1 0.3%
13 Ukraine 1 0.3%