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 225 62.3%
2 United States 51 14.1%
3 Germany 33 9.1%
4 Canada 20 5.5%
5 Hong Kong 7 1.9%
6 Taiwan 7 1.9%
7 Japan 4 1.1%
8 Singapore 4 1.1%
9 Macao 3 0.8%
10 Spain 2 0.6%
11 United Kingdom 2 0.6%
12 Australia 1 0.3%
13 Malaysia 1 0.3%
14 Moldova, Republic of 1 0.3%