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 187 45.7%
2 United States 112 27.4%
3 Germany 28 6.8%
4 Japan 23 5.6%
5 Hong Kong 19 4.6%
6 Australia 7 1.7%
7 Taiwan 7 1.7%
8 United Kingdom 6 1.5%
9 Mauritius 3 0.7%
10 Netherlands 3 0.7%
11 Canada 3 0.7%
12 Singapore 3 0.7%
13 India 3 0.7%
14 Bulgaria 2 0.5%
15 New Zealand 2 0.5%
16 Malaysia 1 0.2%