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 204 54.8%
2 United States 91 24.5%
3 Germany 31 8.3%
4 Taiwan 10 2.7%
5 Netherlands 7 1.9%
6 Hong Kong 6 1.6%
7 Singapore 5 1.3%
8 Macao 4 1.1%
9 Malaysia 4 1.1%
10 Australia 3 0.8%
11 Ukraine 3 0.8%
12 Canada 2 0.5%
13 Korea, Republic of 1 0.3%
14 Thailand 1 0.3%