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 182 46.1%
2 United States 126 31.9%
3 Germany 30 7.6%
4 Japan 9 2.3%
5 Malaysia 9 2.3%
6 Canada 7 1.8%
7 Hong Kong 6 1.5%
8 Taiwan 5 1.3%
9 New Zealand 4 1%
10 Australia 4 1%
11 Italy 3 0.8%
12 Netherlands 2 0.5%
13 Ukraine 2 0.5%
14 United Kingdom 2 0.5%
15 Singapore 2 0.5%
16 Romania 1 0.3%
17 Korea, Republic of 1 0.3%