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 49 31.6%
2 United States 28 18.1%
3 Netherlands 16 10.3%
4 Canada 11 7.1%
5 Germany 8 5.2%
6 Russia 6 3.9%
7 Malaysia 6 3.9%
8 Sweden 5 3.2%
9 Taiwan 5 3.2%
10 United Kingdom 5 3.2%
11 Singapore 4 2.6%
12 Japan 4 2.6%
13 Italy 2 1.3%
14 Czech Republic 2 1.3%
15 Portugal 2 1.3%
16 Hong Kong 1 0.6%
17 Macao 1 0.6%