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 160 48%
2 United States 67 20.1%
3 Germany 51 15.3%
4 Canada 16 4.8%
5 Hong Kong 7 2.1%
6 Singapore 6 1.8%
7 Japan 6 1.8%
8 Korea, Republic of 5 1.5%
9 Turkey 2 0.6%
10 Russia 2 0.6%
11 India 2 0.6%
12 Austria 2 0.6%
13 2 0.6%
14 Australia 1 0.3%
15 Italy 1 0.3%
16 Netherlands 1 0.3%
17 Norway 1 0.3%
18 Romania 1 0.3%