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 301 48%
2 United States 115 18.3%
3 Netherlands 79 12.6%
4 Germany 62 9.9%
5 Canada 22 3.5%
6 Hong Kong 11 1.8%
7 France 8 1.3%
8 Taiwan 8 1.3%
9 India 4 0.6%
10 Korea, Republic of 4 0.6%
11 Australia 2 0.3%
12 Austria 2 0.3%
13 United Kingdom 2 0.3%
14 Norway 2 0.3%
15 Russia 2 0.3%
16 Singapore 2 0.3%
17 Finland 1 0.2%