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 United States 272 47.2%
2 China 198 34.4%
3 Germany 39 6.8%
4 Canada 18 3.1%
5 Taiwan 14 2.4%
6 Singapore 6 1%
7 Japan 6 1%
8 Zimbabwe 5 0.9%
9 Kazakhstan 4 0.7%
10 Hong Kong 4 0.7%
11 Australia 3 0.5%
12 Malaysia 3 0.5%
13 New Zealand 2 0.3%
14 Turkey 1 0.2%
15 United Kingdom 1 0.2%