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 65 45.1%
2 United States 25 17.4%
3 Germany 12 8.3%
4 Taiwan 9 6.2%
5 Netherlands 6 4.2%
6 Hong Kong 5 3.5%
7 France 4 2.8%
8 Malaysia 4 2.8%
9 Sweden 4 2.8%
10 Chile 2 1.4%
11 Japan 2 1.4%
12 Ireland 1 0.7%
13 Australia 1 0.7%
14 Canada 1 0.7%
15 Singapore 1 0.7%
16 Thailand 1 0.7%
17 Turkey 1 0.7%