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 181 57.3%
2 United States 53 16.8%
3 Germany 46 14.6%
4 Canada 7 2.2%
5 Netherlands 7 2.2%
6 Singapore 3 0.9%
7 Ukraine 3 0.9%
8 Turkey 2 0.6%
9 Hong Kong 2 0.6%
10 India 2 0.6%
11 France 2 0.6%
12 Georgia 2 0.6%
13 Macao 2 0.6%
14 Malaysia 2 0.6%
15 Italy 1 0.3%
16 Russia 1 0.3%