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 230 65.5%
2 United States 56 16%
3 Germany 35 10%
4 Australia 5 1.4%
5 Singapore 5 1.4%
6 Canada 4 1.1%
7 France 3 0.9%
8 Taiwan 3 0.9%
9 Thailand 3 0.9%
10 Japan 2 0.6%
11 Korea, Republic of 2 0.6%
12 Malaysia 2 0.6%
13 Hong Kong 1 0.3%