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 United States 139 52.1%
2 China 36 13.5%
3 Netherlands 28 10.5%
4 Germany 14 5.2%
5 Canada 11 4.1%
6 United Kingdom 10 3.7%
7 Hong Kong 10 3.7%
8 Japan 3 1.1%
9 Korea, Republic of 3 1.1%
10 Argentina 3 1.1%
11 Singapore 2 0.7%
12 Taiwan 1 0.4%
13 Thailand 1 0.4%
14 Turkey 1 0.4%
15 Norway 1 0.4%
16 Australia 1 0.4%
17 Brazil 1 0.4%
18 Finland 1 0.4%
19 Malaysia 1 0.4%