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 205 56.6%
2 United States 73 20.2%
3 Germany 43 11.9%
4 Taiwan 12 3.3%
5 Russia 7 1.9%
6 United Kingdom 5 1.4%
7 Hong Kong 4 1.1%
8 India 3 0.8%
9 Japan 2 0.6%
10 Brazil 2 0.6%
11 Australia 1 0.3%
12 Finland 1 0.3%
13 Macao 1 0.3%
14 Malaysia 1 0.3%
15 Moldova, Republic of 1 0.3%
16 Sweden 1 0.3%