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 398 46.9%
2 United States 199 23.5%
3 Netherlands 116 13.7%
4 Germany 58 6.8%
5 Canada 20 2.4%
6 Hong Kong 10 1.2%
7 France 6 0.7%
8 Malaysia 6 0.7%
9 Latvia 6 0.7%
10 Singapore 6 0.7%
11 Taiwan 5 0.6%
12 Australia 5 0.6%
13 Italy 3 0.4%
14 United Kingdom 3 0.4%
15 Norway 2 0.2%
16 Macao 2 0.2%
17 Brazil 2 0.2%
18 Japan 1 0.1%