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 71 46.7%
2 United States 30 19.7%
3 Netherlands 10 6.6%
4 Germany 10 6.6%
5 Hong Kong 7 4.6%
6 Taiwan 6 3.9%
7 Malaysia 4 2.6%
8 Italy 4 2.6%
9 Ukraine 3 2%
10 Macao 2 1.3%
11 Canada 1 0.7%
12 France 1 0.7%
13 Japan 1 0.7%
14 Latvia 1 0.7%
15 Russia 1 0.7%