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 171 52.6%
2 United States 65 20%
3 Germany 41 12.6%
4 Canada 15 4.6%
5 Australia 5 1.5%
6 Hong Kong 5 1.5%
7 Korea, Republic of 5 1.5%
8 Thailand 3 0.9%
9 United Kingdom 2 0.6%
10 Japan 2 0.6%
11 Macao 2 0.6%
12 Malaysia 2 0.6%
13 South Africa 2 0.6%
14 Greece 2 0.6%
15 France 2 0.6%
16 Ireland 1 0.3%