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 120 50.8%
2 United States 46 19.5%
3 Germany 30 12.7%
4 Canada 11 4.7%
5 Brazil 5 2.1%
6 Malaysia 4 1.7%
7 Singapore 4 1.7%
8 Ukraine 2 0.8%
9 Netherlands 2 0.8%
10 Serbia 2 0.8%
11 2 0.8%
12 India 2 0.8%
13 Japan 2 0.8%
14 Macao 2 0.8%
15 Australia 1 0.4%
16 Russia 1 0.4%