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 222 51.3%
2 United States 59 13.6%
3 Germany 42 9.7%
4 Netherlands 39 9%
5 Canada 35 8.1%
6 Korea, Republic of 8 1.8%
7 Japan 5 1.2%
8 Taiwan 4 0.9%
9 Hong Kong 4 0.9%
10 Malaysia 3 0.7%
11 Brazil 2 0.5%
12 Australia 2 0.5%
13 Ukraine 2 0.5%
14 United Kingdom 2 0.5%
15 Norway 2 0.5%
16 Russia 1 0.2%
17 Austria 1 0.2%