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 188 52.2%
2 United States 74 20.6%
3 Germany 42 11.7%
4 Singapore 12 3.3%
5 Netherlands 9 2.5%
6 Australia 6 1.7%
7 Hong Kong 4 1.1%
8 Russia 4 1.1%
9 Taiwan 4 1.1%
10 Canada 3 0.8%
11 Japan 3 0.8%
12 Brazil 2 0.6%
13 Uzbekistan 2 0.6%
14 South Africa 2 0.6%
15 Switzerland 1 0.3%
16 Finland 1 0.3%
17 Macao 1 0.3%
18 Malaysia 1 0.3%
19 Ireland 1 0.3%