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 259 62.6%
2 United States 53 12.8%
3 Germany 31 7.5%
4 Netherlands 21 5.1%
5 Canada 18 4.3%
6 Hong Kong 6 1.4%
7 New Zealand 4 1%
8 Russia 4 1%
9 Italy 3 0.7%
10 Japan 3 0.7%
11 Australia 3 0.7%
12 Belarus 2 0.5%
13 Malaysia 2 0.5%
14 Taiwan 2 0.5%
15 United Kingdom 1 0.2%
16 Sweden 1 0.2%
17 Armenia 1 0.2%